`numpy:datetime_data`

Signature

built-indatetime_data(dtype, /)

Get information about the step size of a date or time type.

The returned tuple can be passed as the second argument of numpy.datetime64 and numpy.timedelta64.

dtype : dtype: The dtype object, which must be a datetime64 or timedelta64 type.

import numpy as np
dt_25s = np.dtype('timedelta64[25s]')
np.datetime_data(dt_25s)
np.array(10, dt_25s).astype('timedelta64[s]')

✓

array(250, dtype='timedelta64[s]')

The result can be used to construct a datetime that uses the same units as a timedelta

np.datetime64('2010', np.datetime_data(dt_25s))

✓

np.datetime64('2010-01-01T00:00:00','25s')