delta64[ns]
        >>> s.dt.components
           days  hours  minutes  seconds  milliseconds  microseconds  nanoseconds
        0     0      0        0        0             0             0            0
        1     0      0        0        1             0             0            0
        2     0      0        0        2             0             0            0
        3     0      0        0        3             0             0            0
        4     0      0        0        4             0             0            0
        )