pandas.DatetimeIndex.indexer_at_time#

DatetimeIndex.indexer_at_time(time, asof=False)[source]#

Return index locations of values at particular time of day.

Parameters:
timedatetime.time or str

Time passed in either as object (datetime.time) or as string in appropriate format (“%H:%M”, “%H%M”, “%I:%M%p”, “%I%M%p”, “%H:%M:%S”, “%H%M%S”, “%I:%M:%S%p”, “%I%M%S%p”).

asofbool, default False

This parameter is currently not supported.

Returns:
np.ndarray[np.intp]

Index locations of values at given time of day.

See also

indexer_between_time

Get index locations of values between particular times of day.

DataFrame.at_time

Select values at particular time of day.

Examples

>>> idx = pd.DatetimeIndex(
...     ["1/1/2020 10:00", "2/1/2020 11:00", "3/1/2020 10:00"]
... )
>>> idx.indexer_at_time("10:00")
array([0, 2])