EFI Shell commands -- TIME(顯示或修改目前系統時間)

Displays or changes the current system time.

TIME [hh:mm[:ss]]

    hh    - Hour   of time to set, range: 0 - 23

    mm    - Minute of time to set, range: 0 - 59

    ss    - Second of time to set, range: 0 - 59

Note:
    1. Hour and minute are required to set the time.
    2. If second is not specified, 0 will be used as default.

Examples:
  * To display the current system time:
    fs0:\> time
    16:51:03 (GMT+08:00)

  * To set the system time:
    fs0:\> time 9:51:30
    fs0:\> time
    09:51:31 (GMT+08:00)