bigframes.pandas.api.typing.DatetimeMethods.isocalendar#

DatetimeMethods.isocalendar() → DataFrame[source]#

Calculate year, week, and day according to the ISO 8601 standard.

Examples:

>>> s = bpd.Series(
...     pd.date_range('2009-12-27', '2010-01-04', freq='d').to_series()
... )
>>> s.dt.isocalendar()
                     year  week  day
2009-12-27 00:00:00  2009    52    7
2009-12-28 00:00:00  2009    53    1
2009-12-29 00:00:00  2009    53    2
2009-12-30 00:00:00  2009    53    3
2009-12-31 00:00:00  2009    53    4
2010-01-01 00:00:00  2009    53    5
2010-01-02 00:00:00  2009    53    6
2010-01-03 00:00:00  2009    53    7
2010-01-04 00:00:00  2010     1    1

[9 rows x 3 columns]
Returns: DataFrame

With columns year, week and day.