polars.internals.series.datetime.DateTimeNameSpace.month#

DateTimeNameSpace.month() Series[source]#

Extract the month from the underlying date representation.

Applies to Date and Datetime columns.

Returns the month number starting from 1. The return value ranges from 1 to 12.

Returns:
Month part as UInt32

Examples

>>> from datetime import datetime
>>> start = datetime(2001, 1, 1)
>>> stop = datetime(2001, 4, 1)
>>> date = pl.date_range(start, stop, interval="1mo")
>>> date
shape: (4,)
Series: '' [datetime[μs]]
[
        2001-01-01 00:00:00
        2001-02-01 00:00:00
        2001-03-01 00:00:00
        2001-04-01 00:00:00
]
>>> date.dt.month()
shape: (4,)
Series: '' [u32]
[
        1
        2
        3
        4
]