pandas.tseries.offsets.Hour

class pandas.tseries.offsets.Hour

偏移 n 小时。

属性

n	Return the count of the number of periods.

另请参阅

DateOffset

Standard kind of date increment.

示例

您可以使用参数 n 来表示 n 小时的偏移量。

>>> from pandas.tseries.offsets import Hour
>>> ts = pd.Timestamp(2022, 12, 9, 15)
>>> ts
Timestamp('2022-12-09 15:00:00')

>>> ts + Hour()
Timestamp('2022-12-09 16:00:00')
>>> ts - Hour(4)
Timestamp('2022-12-09 11:00:00')

>>> ts + Hour(-4)
Timestamp('2022-12-09 11:00:00')

属性

base	Returns a copy of the calling offset object with n=1 and all other attributes equal.
freqstr	Return a string representing the frequency.
kwds	Return a dict of extra parameters for the offset.
n	Return the count of the number of periods.
name	Return a string representing the base frequency.
nanos	返回总纳秒数的整数。
normalize	Return boolean whether the frequency can align with midnight.
rule_code	Return a string representing the base frequency.

Methods

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