# otp.Operation.dt.get_msecs #### \_DtAccessor.get_msecs() Return millisecond-precision timestamp from nanosecond-precision timestamp. ### Examples ```pycon >>> data = otp.Ticks(X=[otp.dt(2022, 5, 1, 15, 0, 6, i * 1000, 1) for i in range(10)]) >>> data['Y'] = data['X'].dt.get_msecs() >>> otp.run(data)[['X', 'Y']] X Y 0 2022-05-01 15:00:06.000000001 2022-05-01 15:00:06.000 1 2022-05-01 15:00:06.001000001 2022-05-01 15:00:06.001 2 2022-05-01 15:00:06.002000001 2022-05-01 15:00:06.002 3 2022-05-01 15:00:06.003000001 2022-05-01 15:00:06.003 4 2022-05-01 15:00:06.004000001 2022-05-01 15:00:06.004 5 2022-05-01 15:00:06.005000001 2022-05-01 15:00:06.005 6 2022-05-01 15:00:06.006000001 2022-05-01 15:00:06.006 7 2022-05-01 15:00:06.007000001 2022-05-01 15:00:06.007 8 2022-05-01 15:00:06.008000001 2022-05-01 15:00:06.008 9 2022-05-01 15:00:06.009000001 2022-05-01 15:00:06.009 ``` #### SEE ALSO **GET_MSECS** OneTick function