numpy.datetime_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
and
.
Parameters:dtypedtypeThe dtype object, which must be a
or
type.
Returns:unitstrThe
on which this dtype is based.
countintThe number of base units in a step.
Examples
>>> importnumpyasnp>>> dt_25s=np.dtype('timedelta64[25s]')>>> np.datetime_data(dt_25s)('s', 25)>>> 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')