日期偏移量

DateOffset

DateOffset

用于日期范围的标准日期增量类型。

属性

DateOffset.freqstr	Return a string representing the frequency.
DateOffset.kwds	Return a dict of extra parameters for the offset.
DateOffset.name	Return a string representing the base frequency.
DateOffset.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
DateOffset.normalize	Return boolean whether the frequency can align with midnight.
DateOffset.rule_code	Return a string representing the base frequency.
DateOffset.n	Return the count of the number of periods.

方法

DateOffset.copy()	Return a copy of the frequency.
DateOffset.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
DateOffset.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
DateOffset.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
DateOffset.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
DateOffset.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
DateOffset.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
DateOffset.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.
DateOffset.rollback(dt)	Roll provided date backward to next offset only if not on offset.
DateOffset.rollforward(dt)	Roll provided date forward to next offset only if not on offset.

BusinessDay

BusinessDay

DateOffset subclass representing possibly n business days.

别名

BDay	alias of BusinessDay

属性

BusinessDay.freqstr	Return a string representing the frequency.
BusinessDay.kwds	Return a dict of extra parameters for the offset.
BusinessDay.name	Return a string representing the base frequency.
BusinessDay.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
BusinessDay.normalize	Return boolean whether the frequency can align with midnight.
BusinessDay.rule_code	Return a string representing the base frequency.
BusinessDay.n	Return the count of the number of periods.
BusinessDay.weekmask	返回用于自定义营业日计算的周掩码。
BusinessDay.holidays	返回用于自定义营业日计算的节假日。
BusinessDay.calendar	返回用于营业日计算的日历。

方法

BusinessDay.copy()	Return a copy of the frequency.
BusinessDay.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
BusinessDay.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
BusinessDay.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
BusinessDay.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
BusinessDay.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
BusinessDay.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
BusinessDay.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

BusinessHour

BusinessHour

DateOffset subclass representing possibly n business hours.

属性

BusinessHour.freqstr	Return a string representing the frequency.
BusinessHour.kwds	Return a dict of extra parameters for the offset.
BusinessHour.name	Return a string representing the base frequency.
BusinessHour.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
BusinessHour.normalize	Return boolean whether the frequency can align with midnight.
BusinessHour.rule_code	Return a string representing the base frequency.
BusinessHour.n	Return the count of the number of periods.
BusinessHour.start	Return the start time(s) of the business hour.
BusinessHour.end	Return the end time(s) of the business hour.
BusinessHour.weekmask	返回用于自定义营业日计算的周掩码。
BusinessHour.holidays	返回用于自定义营业日计算的节假日。
BusinessHour.calendar	返回用于营业日计算的日历。

方法

BusinessHour.copy()	Return a copy of the frequency.
BusinessHour.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
BusinessHour.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
BusinessHour.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
BusinessHour.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
BusinessHour.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
BusinessHour.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
BusinessHour.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

CustomBusinessDay

CustomBusinessDay

DateOffset subclass representing possibly n custom business days.

别名

CDay	alias of CustomBusinessDay

属性

CustomBusinessDay.freqstr	Return a string representing the frequency.
CustomBusinessDay.kwds	Return a dict of extra parameters for the offset.
CustomBusinessDay.name	Return a string representing the base frequency.
CustomBusinessDay.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
CustomBusinessDay.normalize	Return boolean whether the frequency can align with midnight.
CustomBusinessDay.rule_code	Return a string representing the base frequency.
CustomBusinessDay.n	Return the count of the number of periods.
CustomBusinessDay.weekmask	返回用于自定义营业日计算的周掩码。
CustomBusinessDay.calendar	返回用于营业日计算的日历。
CustomBusinessDay.holidays	返回用于自定义营业日计算的节假日。

方法

CustomBusinessDay.copy()	Return a copy of the frequency.
CustomBusinessDay.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
CustomBusinessDay.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
CustomBusinessDay.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
CustomBusinessDay.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
CustomBusinessDay.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
CustomBusinessDay.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
CustomBusinessDay.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

CustomBusinessHour

CustomBusinessHour

DateOffset subclass representing possibly n custom business days.

属性

CustomBusinessHour.freqstr	Return a string representing the frequency.
CustomBusinessHour.kwds	Return a dict of extra parameters for the offset.
CustomBusinessHour.name	Return a string representing the base frequency.
CustomBusinessHour.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
CustomBusinessHour.normalize	Return boolean whether the frequency can align with midnight.
CustomBusinessHour.rule_code	Return a string representing the base frequency.
CustomBusinessHour.n	Return the count of the number of periods.
CustomBusinessHour.weekmask	返回用于自定义营业日计算的周掩码。
CustomBusinessHour.calendar	返回用于营业日计算的日历。
CustomBusinessHour.holidays	返回用于自定义营业日计算的节假日。
CustomBusinessHour.start	Return the start time(s) of the business hour.
CustomBusinessHour.end	Return the end time(s) of the business hour.

方法

CustomBusinessHour.copy()	Return a copy of the frequency.
CustomBusinessHour.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
CustomBusinessHour.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
CustomBusinessHour.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
CustomBusinessHour.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
CustomBusinessHour.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
CustomBusinessHour.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
CustomBusinessHour.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

MonthEnd

MonthEnd

DateOffset of one month end.

属性

MonthEnd.freqstr	Return a string representing the frequency.
MonthEnd.kwds	Return a dict of extra parameters for the offset.
MonthEnd.name	Return a string representing the base frequency.
MonthEnd.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
MonthEnd.normalize	Return boolean whether the frequency can align with midnight.
MonthEnd.rule_code	Return a string representing the base frequency.
MonthEnd.n	Return the count of the number of periods.

方法

MonthEnd.copy()	Return a copy of the frequency.
MonthEnd.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
MonthEnd.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
MonthEnd.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
MonthEnd.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
MonthEnd.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
MonthEnd.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
MonthEnd.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

MonthBegin

MonthBegin

DateOffset of one month at beginning.

属性

MonthBegin.freqstr	Return a string representing the frequency.
MonthBegin.kwds	Return a dict of extra parameters for the offset.
MonthBegin.name	Return a string representing the base frequency.
MonthBegin.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
MonthBegin.normalize	Return boolean whether the frequency can align with midnight.
MonthBegin.rule_code	Return a string representing the base frequency.
MonthBegin.n	Return the count of the number of periods.

方法

MonthBegin.copy()	Return a copy of the frequency.
MonthBegin.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
MonthBegin.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
MonthBegin.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
MonthBegin.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
MonthBegin.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
MonthBegin.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
MonthBegin.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

BusinessMonthEnd

BusinessMonthEnd

DateOffset increments between the last business day of the month.

别名

BMonthEnd

alias of BusinessMonthEnd

属性

BusinessMonthEnd.freqstr	Return a string representing the frequency.
BusinessMonthEnd.kwds	Return a dict of extra parameters for the offset.
BusinessMonthEnd.name	Return a string representing the base frequency.
BusinessMonthEnd.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
BusinessMonthEnd.normalize	Return boolean whether the frequency can align with midnight.
BusinessMonthEnd.rule_code	Return a string representing the base frequency.
BusinessMonthEnd.n	Return the count of the number of periods.

方法

BusinessMonthEnd.copy()	Return a copy of the frequency.
BusinessMonthEnd.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
BusinessMonthEnd.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
BusinessMonthEnd.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
BusinessMonthEnd.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
BusinessMonthEnd.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
BusinessMonthEnd.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
BusinessMonthEnd.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

BusinessMonthBegin

BusinessMonthBegin

DateOffset of one month at the first business day.

别名

BMonthBegin

alias of BusinessMonthBegin

属性

BusinessMonthBegin.freqstr	Return a string representing the frequency.
BusinessMonthBegin.kwds	Return a dict of extra parameters for the offset.
BusinessMonthBegin.name	Return a string representing the base frequency.
BusinessMonthBegin.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
BusinessMonthBegin.normalize	Return boolean whether the frequency can align with midnight.
BusinessMonthBegin.rule_code	Return a string representing the base frequency.
BusinessMonthBegin.n	Return the count of the number of periods.

方法

BusinessMonthBegin.copy()	Return a copy of the frequency.
BusinessMonthBegin.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
BusinessMonthBegin.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
BusinessMonthBegin.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
BusinessMonthBegin.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
BusinessMonthBegin.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
BusinessMonthBegin.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
BusinessMonthBegin.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

CustomBusinessMonthEnd

CustomBusinessMonthEnd

DateOffset 子类，表示自定义营业月。

别名

CBMonthEnd

alias of CustomBusinessMonthEnd

属性

CustomBusinessMonthEnd.freqstr	Return a string representing the frequency.
CustomBusinessMonthEnd.kwds	Return a dict of extra parameters for the offset.
CustomBusinessMonthEnd.m_offset	返回 MonthBegin 或 MonthEnd 偏移量。
CustomBusinessMonthEnd.name	Return a string representing the base frequency.
CustomBusinessMonthEnd.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
CustomBusinessMonthEnd.normalize	Return boolean whether the frequency can align with midnight.
CustomBusinessMonthEnd.rule_code	Return a string representing the base frequency.
CustomBusinessMonthEnd.n	Return the count of the number of periods.
CustomBusinessMonthEnd.weekmask	返回用于自定义营业日计算的周掩码。
CustomBusinessMonthEnd.calendar	返回用于营业日计算的日历。
CustomBusinessMonthEnd.holidays	返回用于自定义营业日计算的节假日。

方法

CustomBusinessMonthEnd.copy()	Return a copy of the frequency.
CustomBusinessMonthEnd.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
CustomBusinessMonthEnd.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
CustomBusinessMonthEnd.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
CustomBusinessMonthEnd.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
CustomBusinessMonthEnd.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
CustomBusinessMonthEnd.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
CustomBusinessMonthEnd.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

CustomBusinessMonthBegin

CustomBusinessMonthBegin

DateOffset 子类，表示自定义营业月。

别名

CBMonthBegin

alias of CustomBusinessMonthBegin

属性

CustomBusinessMonthBegin.freqstr	Return a string representing the frequency.
CustomBusinessMonthBegin.kwds	Return a dict of extra parameters for the offset.
CustomBusinessMonthBegin.m_offset	返回 MonthBegin 或 MonthEnd 偏移量。
CustomBusinessMonthBegin.name	Return a string representing the base frequency.
CustomBusinessMonthBegin.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
CustomBusinessMonthBegin.normalize	Return boolean whether the frequency can align with midnight.
CustomBusinessMonthBegin.rule_code	Return a string representing the base frequency.
CustomBusinessMonthBegin.n	Return the count of the number of periods.
CustomBusinessMonthBegin.weekmask	返回用于自定义营业日计算的周掩码。
CustomBusinessMonthBegin.calendar	返回用于营业日计算的日历。
CustomBusinessMonthBegin.holidays	返回用于自定义营业日计算的节假日。

方法

CustomBusinessMonthBegin.copy()	Return a copy of the frequency.
CustomBusinessMonthBegin.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
CustomBusinessMonthBegin.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
CustomBusinessMonthBegin.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
CustomBusinessMonthBegin.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
CustomBusinessMonthBegin.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
CustomBusinessMonthBegin.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
CustomBusinessMonthBegin.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

SemiMonthEnd

SemiMonthEnd

Two DateOffset's per month repeating on the last day of the month & day_of_month.

属性

SemiMonthEnd.freqstr	Return a string representing the frequency.
SemiMonthEnd.kwds	Return a dict of extra parameters for the offset.
SemiMonthEnd.name	Return a string representing the base frequency.
SemiMonthEnd.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
SemiMonthEnd.normalize	Return boolean whether the frequency can align with midnight.
SemiMonthEnd.rule_code
SemiMonthEnd.n	Return the count of the number of periods.
SemiMonthEnd.day_of_month	Return the day of the month for the semi-monthly offset.

方法

SemiMonthEnd.copy()	Return a copy of the frequency.
SemiMonthEnd.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
SemiMonthEnd.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
SemiMonthEnd.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
SemiMonthEnd.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
SemiMonthEnd.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
SemiMonthEnd.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
SemiMonthEnd.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

SemiMonthBegin

SemiMonthBegin

Two DateOffset's per month repeating on the first day of the month & day_of_month.

属性

SemiMonthBegin.freqstr	Return a string representing the frequency.
SemiMonthBegin.kwds	Return a dict of extra parameters for the offset.
SemiMonthBegin.name	Return a string representing the base frequency.
SemiMonthBegin.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
SemiMonthBegin.normalize	Return boolean whether the frequency can align with midnight.
SemiMonthBegin.rule_code
SemiMonthBegin.n	Return the count of the number of periods.
SemiMonthBegin.day_of_month	Return the day of the month for the semi-monthly offset.

方法

SemiMonthBegin.copy()	Return a copy of the frequency.
SemiMonthBegin.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
SemiMonthBegin.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
SemiMonthBegin.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
SemiMonthBegin.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
SemiMonthBegin.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
SemiMonthBegin.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
SemiMonthBegin.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

Week

Week	Weekly offset.

属性

Week.freqstr	Return a string representing the frequency.
Week.kwds	Return a dict of extra parameters for the offset.
Week.name	Return a string representing the base frequency.
Week.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
Week.normalize	Return boolean whether the frequency can align with midnight.
Week.rule_code	Return a string representing the base frequency.
Week.n	Return the count of the number of periods.
Week.weekday	Return the day of the week on which the offset is applied.

方法

Week.copy()	Return a copy of the frequency.
Week.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
Week.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
Week.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
Week.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
Week.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
Week.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
Week.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

WeekOfMonth

WeekOfMonth

Describes monthly dates like "the Tuesday of the 2nd week of each month".

属性

WeekOfMonth.freqstr	Return a string representing the frequency.
WeekOfMonth.kwds	Return a dict of extra parameters for the offset.
WeekOfMonth.name	Return a string representing the base frequency.
WeekOfMonth.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
WeekOfMonth.normalize	Return boolean whether the frequency can align with midnight.
WeekOfMonth.rule_code	Return a string representing the base frequency.
WeekOfMonth.n	Return the count of the number of periods.
WeekOfMonth.week

方法

WeekOfMonth.copy()	Return a copy of the frequency.
WeekOfMonth.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
WeekOfMonth.weekday
WeekOfMonth.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
WeekOfMonth.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
WeekOfMonth.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
WeekOfMonth.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
WeekOfMonth.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
WeekOfMonth.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

LastWeekOfMonth

LastWeekOfMonth

描述月份最后一周的日期。

属性

LastWeekOfMonth.freqstr	Return a string representing the frequency.
LastWeekOfMonth.kwds	Return a dict of extra parameters for the offset.
LastWeekOfMonth.name	Return a string representing the base frequency.
LastWeekOfMonth.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
LastWeekOfMonth.normalize	Return boolean whether the frequency can align with midnight.
LastWeekOfMonth.rule_code	Return a string representing the base frequency.
LastWeekOfMonth.n	Return the count of the number of periods.
LastWeekOfMonth.weekday
LastWeekOfMonth.week

方法

LastWeekOfMonth.copy()	Return a copy of the frequency.
LastWeekOfMonth.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
LastWeekOfMonth.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
LastWeekOfMonth.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
LastWeekOfMonth.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
LastWeekOfMonth.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
LastWeekOfMonth.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
LastWeekOfMonth.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

BQuarterEnd

BQuarterEnd

DateOffset 在每个季度的最后一个工作日之间递增。

属性

BQuarterEnd.freqstr	Return a string representing the frequency.
BQuarterEnd.kwds	Return a dict of extra parameters for the offset.
BQuarterEnd.name	Return a string representing the base frequency.
BQuarterEnd.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
BQuarterEnd.normalize	Return boolean whether the frequency can align with midnight.
BQuarterEnd.rule_code	返回表示带有月份后缀的频率的字符串。
BQuarterEnd.n	Return the count of the number of periods.
BQuarterEnd.startingMonth	返回季度开始的月份。

方法

BQuarterEnd.copy()	Return a copy of the frequency.
BQuarterEnd.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
BQuarterEnd.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
BQuarterEnd.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
BQuarterEnd.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
BQuarterEnd.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
BQuarterEnd.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
BQuarterEnd.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

BQuarterBegin

BQuarterBegin

DateOffset 在每个季度的第一个工作日之间递增。

属性

BQuarterBegin.freqstr	Return a string representing the frequency.
BQuarterBegin.kwds	Return a dict of extra parameters for the offset.
BQuarterBegin.name	Return a string representing the base frequency.
BQuarterBegin.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
BQuarterBegin.normalize	Return boolean whether the frequency can align with midnight.
BQuarterBegin.rule_code	返回表示带有月份后缀的频率的字符串。
BQuarterBegin.n	Return the count of the number of periods.
BQuarterBegin.startingMonth	返回季度开始的月份。

方法

BQuarterBegin.copy()	Return a copy of the frequency.
BQuarterBegin.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
BQuarterBegin.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
BQuarterBegin.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
BQuarterBegin.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
BQuarterBegin.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
BQuarterBegin.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
BQuarterBegin.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

QuarterEnd

QuarterEnd

DateOffset 在季度结束日期之间递增。

属性

QuarterEnd.freqstr	Return a string representing the frequency.
QuarterEnd.kwds	Return a dict of extra parameters for the offset.
QuarterEnd.name	Return a string representing the base frequency.
QuarterEnd.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
QuarterEnd.normalize	Return boolean whether the frequency can align with midnight.
QuarterEnd.rule_code	返回表示带有月份后缀的频率的字符串。
QuarterEnd.n	Return the count of the number of periods.
QuarterEnd.startingMonth	返回季度开始的月份。

方法

QuarterEnd.copy()	Return a copy of the frequency.
QuarterEnd.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
QuarterEnd.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
QuarterEnd.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
QuarterEnd.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
QuarterEnd.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
QuarterEnd.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
QuarterEnd.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

QuarterBegin

QuarterBegin

DateOffset 在季度开始日期之间递增。

属性

QuarterBegin.freqstr	Return a string representing the frequency.
QuarterBegin.kwds	Return a dict of extra parameters for the offset.
QuarterBegin.name	Return a string representing the base frequency.
QuarterBegin.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
QuarterBegin.normalize	Return boolean whether the frequency can align with midnight.
QuarterBegin.rule_code	返回表示带有月份后缀的频率的字符串。
QuarterBegin.n	Return the count of the number of periods.
QuarterBegin.startingMonth	返回季度开始的月份。

方法

QuarterBegin.copy()	Return a copy of the frequency.
QuarterBegin.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
QuarterBegin.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
QuarterBegin.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
QuarterBegin.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
QuarterBegin.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
QuarterBegin.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
QuarterBegin.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

BHalfYearEnd

BHalfYearEnd

DateOffset 在每半年的最后一个工作日之间递增。

属性

BHalfYearEnd.freqstr	Return a string representing the frequency.
BHalfYearEnd.kwds	Return a dict of extra parameters for the offset.
BHalfYearEnd.name	Return a string representing the base frequency.
BHalfYearEnd.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
BHalfYearEnd.normalize	Return boolean whether the frequency can align with midnight.
BHalfYearEnd.rule_code	返回表示带有月份后缀的频率的字符串。
BHalfYearEnd.n	Return the count of the number of periods.
BHalfYearEnd.startingMonth	返回半年开始的月份。

方法

BHalfYearEnd.copy()	Return a copy of the frequency.
BHalfYearEnd.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
BHalfYearEnd.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
BHalfYearEnd.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
BHalfYearEnd.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
BHalfYearEnd.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
BHalfYearEnd.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
BHalfYearEnd.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

BHalfYearBegin

BHalfYearBegin

DateOffset 在每半年的第一个工作日之间递增。

属性

BHalfYearBegin.freqstr	Return a string representing the frequency.
BHalfYearBegin.kwds	Return a dict of extra parameters for the offset.
BHalfYearBegin.name	Return a string representing the base frequency.
BHalfYearBegin.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
BHalfYearBegin.normalize	Return boolean whether the frequency can align with midnight.
BHalfYearBegin.rule_code	返回表示带有月份后缀的频率的字符串。
BHalfYearBegin.n	Return the count of the number of periods.
BHalfYearBegin.startingMonth	返回半年开始的月份。

方法

BHalfYearBegin.copy()	Return a copy of the frequency.
BHalfYearBegin.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
BHalfYearBegin.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
BHalfYearBegin.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
BHalfYearBegin.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
BHalfYearBegin.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
BHalfYearBegin.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
BHalfYearBegin.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

HalfYearEnd

HalfYearEnd

DateOffset 在半年度结束日期之间递增。

属性

HalfYearEnd.freqstr	Return a string representing the frequency.
HalfYearEnd.kwds	Return a dict of extra parameters for the offset.
HalfYearEnd.name	Return a string representing the base frequency.
HalfYearEnd.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
HalfYearEnd.normalize	Return boolean whether the frequency can align with midnight.
HalfYearEnd.rule_code	返回表示带有月份后缀的频率的字符串。
HalfYearEnd.n	Return the count of the number of periods.
HalfYearEnd.startingMonth	返回半年开始的月份。

方法

HalfYearEnd.copy()	Return a copy of the frequency.
HalfYearEnd.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
HalfYearEnd.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
HalfYearEnd.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
HalfYearEnd.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
HalfYearEnd.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
HalfYearEnd.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
HalfYearEnd.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

HalfYearBegin

HalfYearBegin

DateOffset 在半年度开始日期之间递增。

属性

HalfYearBegin.freqstr	Return a string representing the frequency.
HalfYearBegin.kwds	Return a dict of extra parameters for the offset.
HalfYearBegin.name	Return a string representing the base frequency.
HalfYearBegin.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
HalfYearBegin.normalize	Return boolean whether the frequency can align with midnight.
HalfYearBegin.rule_code	返回表示带有月份后缀的频率的字符串。
HalfYearBegin.n	Return the count of the number of periods.
HalfYearBegin.startingMonth	返回半年开始的月份。

方法

HalfYearBegin.copy()	Return a copy of the frequency.
HalfYearBegin.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
HalfYearBegin.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
HalfYearBegin.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
HalfYearBegin.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
HalfYearBegin.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
HalfYearBegin.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
HalfYearBegin.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

BYearEnd

BYearEnd

DateOffset 在每年的最后一个工作日之间递增。

属性

BYearEnd.freqstr	Return a string representing the frequency.
BYearEnd.kwds	Return a dict of extra parameters for the offset.
BYearEnd.name	Return a string representing the base frequency.
BYearEnd.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
BYearEnd.normalize	Return boolean whether the frequency can align with midnight.
BYearEnd.rule_code	Return a string representing the base frequency.
BYearEnd.n	Return the count of the number of periods.
BYearEnd.month	返回此偏移量适用的月份。

方法

BYearEnd.copy()	Return a copy of the frequency.
BYearEnd.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
BYearEnd.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
BYearEnd.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
BYearEnd.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
BYearEnd.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
BYearEnd.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
BYearEnd.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

BYearBegin

BYearBegin

DateOffset 在每年的第一个工作日之间递增。

属性

BYearBegin.freqstr	Return a string representing the frequency.
BYearBegin.kwds	Return a dict of extra parameters for the offset.
BYearBegin.name	Return a string representing the base frequency.
BYearBegin.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
BYearBegin.normalize	Return boolean whether the frequency can align with midnight.
BYearBegin.rule_code	Return a string representing the base frequency.
BYearBegin.n	Return the count of the number of periods.
BYearBegin.month	返回此偏移量适用的月份。

方法

BYearBegin.copy()	Return a copy of the frequency.
BYearBegin.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
BYearBegin.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
BYearBegin.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
BYearBegin.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
BYearBegin.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
BYearBegin.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
BYearBegin.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

YearEnd

YearEnd([n, normalize, month])

DateOffset 在日历年结束日期之间递增。

属性

YearEnd.freqstr	Return a string representing the frequency.
YearEnd.kwds	Return a dict of extra parameters for the offset.
YearEnd.name	Return a string representing the base frequency.
YearEnd.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
YearEnd.normalize	Return boolean whether the frequency can align with midnight.
YearEnd.rule_code	Return a string representing the base frequency.
YearEnd.n	Return the count of the number of periods.
YearEnd.month	返回此偏移量适用的月份。

方法

YearEnd.copy()	Return a copy of the frequency.
YearEnd.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
YearEnd.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
YearEnd.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
YearEnd.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
YearEnd.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
YearEnd.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
YearEnd.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

YearBegin

YearBegin

DateOffset 在日历年开始日期之间递增。

属性

YearBegin.freqstr	Return a string representing the frequency.
YearBegin.kwds	Return a dict of extra parameters for the offset.
YearBegin.name	Return a string representing the base frequency.
YearBegin.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
YearBegin.normalize	Return boolean whether the frequency can align with midnight.
YearBegin.rule_code	Return a string representing the base frequency.
YearBegin.n	Return the count of the number of periods.
YearBegin.month	返回此偏移量适用的月份。

方法

YearBegin.copy()	Return a copy of the frequency.
YearBegin.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
YearBegin.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
YearBegin.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
YearBegin.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
YearBegin.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
YearBegin.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
YearBegin.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

FY5253

FY5253

描述 52-53 周的财政年度。

属性

FY5253.freqstr	Return a string representing the frequency.
FY5253.kwds	Return a dict of extra parameters for the offset.
FY5253.name	Return a string representing the base frequency.
FY5253.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
FY5253.normalize	Return boolean whether the frequency can align with midnight.
FY5253.rule_code
FY5253.n	Return the count of the number of periods.
FY5253.startingMonth
FY5253.variation
FY5253.weekday	返回财政年度使用的星期几。

方法

FY5253.copy()	Return a copy of the frequency.
FY5253.get_rule_code_suffix()	返回规则代码的后缀部分。
FY5253.get_year_end(dt)
FY5253.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
FY5253.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
FY5253.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
FY5253.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
FY5253.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
FY5253.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
FY5253.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

FY5253Quarter

FY5253Quarter

DateOffset 在 52-53 周的财政年度的业务季度日期之间递增。

属性

FY5253Quarter.freqstr	Return a string representing the frequency.
FY5253Quarter.kwds	Return a dict of extra parameters for the offset.
FY5253Quarter.name	Return a string representing the base frequency.
FY5253Quarter.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
FY5253Quarter.normalize	Return boolean whether the frequency can align with midnight.
FY5253Quarter.rule_code
FY5253Quarter.n	Return the count of the number of periods.
FY5253Quarter.qtr_with_extra_week
FY5253Quarter.startingMonth
FY5253Quarter.variation
FY5253Quarter.weekday	返回财政年度使用的星期几。

方法

FY5253Quarter.copy()	Return a copy of the frequency.
FY5253Quarter.get_rule_code_suffix()	返回规则代码的后缀部分。
FY5253Quarter.get_weeks(dt)
FY5253Quarter.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
FY5253Quarter.year_has_extra_week(dt)
FY5253Quarter.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
FY5253Quarter.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
FY5253Quarter.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
FY5253Quarter.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
FY5253Quarter.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
FY5253Quarter.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

复活节

Easter

使用 dateutil 定义的逻辑的复活节的 DateOffset。

属性

Easter.freqstr	Return a string representing the frequency.
Easter.kwds	Return a dict of extra parameters for the offset.
Easter.name	Return a string representing the base frequency.
Easter.nanos	Returns an integer of the total number of nanoseconds for fixed frequencies.
Easter.normalize	Return boolean whether the frequency can align with midnight.
Easter.rule_code	Return a string representing the base frequency.
Easter.n	Return the count of the number of periods.

方法

Easter.copy()	Return a copy of the frequency.
Easter.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
Easter.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
Easter.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
Easter.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
Easter.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
Easter.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
Easter.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

Tick

Tick	固定频率偏移量的基类（Milli, Micro, Second, Minute, Hour）。

属性

Tick.freqstr	Return a string representing the frequency.
Tick.kwds	Return a dict of extra parameters for the offset.
Tick.name	Return a string representing the base frequency.
Tick.nanos	返回总纳秒数的整数。
Tick.normalize	Return boolean whether the frequency can align with midnight.
Tick.rule_code	Return a string representing the base frequency.
Tick.n	Return the count of the number of periods.

方法

Tick.copy()	Return a copy of the frequency.
Tick.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
Tick.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
Tick.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
Tick.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
Tick.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
Tick.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
Tick.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

天

Day

偏移 n 天。

属性

Day.freqstr	Return a string representing the frequency.
Day.kwds	Return a dict of extra parameters for the offset.
Day.name	Return a string representing the base frequency.
Day.nanos	返回总纳秒数的整数。
Day.normalize	Return boolean whether the frequency can align with midnight.
Day.rule_code	Return a string representing the base frequency.
Day.n	Return the count of the number of periods.

方法

Day.copy()	Return a copy of the frequency.
Day.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
Day.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
Day.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
Day.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
Day.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
Day.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
Day.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

小时

Hour

偏移 n 小时。

属性

Hour.freqstr	Return a string representing the frequency.
Hour.kwds	Return a dict of extra parameters for the offset.
Hour.name	Return a string representing the base frequency.
Hour.nanos	返回总纳秒数的整数。
Hour.normalize	Return boolean whether the frequency can align with midnight.
Hour.rule_code	Return a string representing the base frequency.
Hour.n	Return the count of the number of periods.

方法

Hour.copy()	Return a copy of the frequency.
Hour.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
Hour.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
Hour.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
Hour.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
Hour.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
Hour.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
Hour.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

分钟

Minute

偏移 n 分钟。

属性

Minute.freqstr	Return a string representing the frequency.
Minute.kwds	Return a dict of extra parameters for the offset.
Minute.name	Return a string representing the base frequency.
Minute.nanos	返回总纳秒数的整数。
Minute.normalize	Return boolean whether the frequency can align with midnight.
Minute.rule_code	Return a string representing the base frequency.
Minute.n	Return the count of the number of periods.

方法

Minute.copy()	Return a copy of the frequency.
Minute.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
Minute.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
Minute.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
Minute.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
Minute.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
Minute.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
Minute.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

秒

Second

偏移 n 秒。

属性

Second.freqstr	Return a string representing the frequency.
Second.kwds	Return a dict of extra parameters for the offset.
Second.name	Return a string representing the base frequency.
Second.nanos	返回总纳秒数的整数。
Second.normalize	Return boolean whether the frequency can align with midnight.
Second.rule_code	Return a string representing the base frequency.
Second.n	Return the count of the number of periods.

方法

Second.copy()	Return a copy of the frequency.
Second.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
Second.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
Second.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
Second.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
Second.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
Second.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
Second.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

毫秒

Milli

偏移 n 毫秒。

属性

Milli.freqstr	Return a string representing the frequency.
Milli.kwds	Return a dict of extra parameters for the offset.
Milli.name	Return a string representing the base frequency.
Milli.nanos	返回总纳秒数的整数。
Milli.normalize	Return boolean whether the frequency can align with midnight.
Milli.rule_code	Return a string representing the base frequency.
Milli.n	Return the count of the number of periods.

方法

Milli.copy()	Return a copy of the frequency.
Milli.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
Milli.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
Milli.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
Milli.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
Milli.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
Milli.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
Milli.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

微秒

Micro

偏移 n 微秒。

属性

Micro.freqstr	Return a string representing the frequency.
Micro.kwds	Return a dict of extra parameters for the offset.
Micro.name	Return a string representing the base frequency.
Micro.nanos	返回总纳秒数的整数。
Micro.normalize	Return boolean whether the frequency can align with midnight.
Micro.rule_code	Return a string representing the base frequency.
Micro.n	Return the count of the number of periods.

方法

Micro.copy()	Return a copy of the frequency.
Micro.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
Micro.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
Micro.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
Micro.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
Micro.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
Micro.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
Micro.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

纳秒

Nano	Offset n 纳秒。

属性

Nano.freqstr	Return a string representing the frequency.
Nano.kwds	Return a dict of extra parameters for the offset.
Nano.name	Return a string representing the base frequency.
Nano.nanos	返回总纳秒数的整数。
Nano.normalize	Return boolean whether the frequency can align with midnight.
Nano.rule_code	Return a string representing the base frequency.
Nano.n	Return the count of the number of periods.

方法

Nano.copy()	Return a copy of the frequency.
Nano.is_on_offset(dt)	Return boolean whether a timestamp intersects with this frequency.
Nano.is_month_start(ts)	Return boolean whether a timestamp occurs on the month start.
Nano.is_month_end(ts)	Return boolean whether a timestamp occurs on the month end.
Nano.is_quarter_start(ts)	Return boolean whether a timestamp occurs on the quarter start.
Nano.is_quarter_end(ts)	Return boolean whether a timestamp occurs on the quarter end.
Nano.is_year_start(ts)	Return boolean whether a timestamp occurs on the year start.
Nano.is_year_end(ts)	Return boolean whether a timestamp occurs on the year end.

频率

to_offset(freq[, is_period])

从字符串或 datetime.timedelta 对象返回 DateOffset 对象。