polars.Series.dt.second#

Series.dt.second(*, fractional: bool = False) → Series[source]#

Extract seconds from underlying DateTime representation.

Applies to Datetime columns.

Returns the integer second number from 0 to 59, or a floating point number from 0 < 60 if fractional=True that includes any milli/micro/nanosecond component.

Parameters:

fractional: Whether to include the fractional component of the second.

Returns:

Series: Series of data type Int8 or Float64.

Examples

>>> from datetime import datetime
>>> s = pl.Series(
...     "datetime",
...     [
...         datetime(2000, 1, 1, 0, 0, 0, 456789),
...         datetime(2000, 1, 1, 0, 0, 3, 111110),
...         datetime(2000, 1, 1, 0, 0, 5, 765431),
...     ],
... )
>>> s.dt.second()
shape: (3,)
Series: 'datetime' [i8]
[
        0
        3
        5
]
>>> s.dt.second(fractional=True)
shape: (3,)
Series: 'datetime' [f64]
[
        0.456789
        3.11111
        5.765431
]