Function is_any_numpy_datetime_or_timedelta

numpy/core/src/multiarray/datetime.c:3111–3117

* Returns true if the object is something that is best considered * a Datetime or Timedelta, false otherwise. */

 * a Datetime or Timedelta, false otherwise.
 */
NPY_NO_EXPORT npy_bool
is_any_numpy_datetime_or_timedelta(PyObject *obj)
{
    return obj != NULL &&
           (is_any_numpy_datetime(obj) ||
            is_any_numpy_timedelta(obj));
}

/*
 * Converts an array of PyObject * into datetimes and/or timedeltas,