pandas.tseries.offsets.BYearBegin#

classpandas.tseries.offsets.BYearBegin#

DateOffset increments between the first business day of the year.

Parameters:

nint, default 1

The number of years represented.

normalizebool, default False

Normalize start/end dates to midnight before generating date range.

monthint, default 1

A specific integer for the month of the year.

See also

DateOffset

Standard kind of date increment.

Examples

>>> from pandas.tseries.offsets import BYearBegin
>>> ts = pd.Timestamp('2020年05月24日 05:01:15')
>>> ts + BYearBegin()
Timestamp('2021年01月01日 05:01:15')
>>> ts - BYearBegin()
Timestamp('2020年01月01日 05:01:15')
>>> ts + BYearBegin(-1)
Timestamp('2020年01月01日 05:01:15')
>>> ts + BYearBegin(2)
Timestamp('2022年01月03日 05:01:15')
>>> ts + BYearBegin(month=11)
Timestamp('2020年11月02日 05:01:15')

Attributes

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.

month

n

name

Return a string representing the base frequency.

nanos

normalize

rule_code

Methods

copy()

Return a copy of the frequency.

is_anchored()

(DEPRECATED) Return boolean whether the frequency is a unit frequency (n=1).

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.