Command: clock set [hh:mm:ss] [month day year]
Function: Sets the system time on a Cisco device.
Parameters:
- hh: The hour (00 to 23)
- mm: The minute (00 to 59)
- ss: The second (00 to 59)
- month: The month (1 to 12)
- day: The day (1 to 31)
- year: The year (1900 to 2099)
Usage:
Theclock setcommand can be used to set the system time on a Cisco device. The command is entered in the following format:
clock set [hh:mm:ss] [month day year]
For example, to set the system time to 12:34:56 on January 1, 2023, you would enter the following command:
clock set 12:34:56 01 01 2023
Compatibility:
Theclock setcommand is supported on all Cisco devices that run the IOS operating system.
Example:
The following example shows how to use theclock setcommand to set the system time on a Cisco router:
Router> enable
Router# configure terminal
Router(config)# clock set 12:34:56 01 01 2023
Router(config)# end
Router#
Additional Information:
- The
clock setcommand can also be used to set the system time on a Cisco switch. - The
clock setcommand is not supported on Cisco ASA firewalls. - The
clock setcommand can be used to set the system time on a Cisco router that is running the IOS XR operating system. - The
clock setcommand can be used to set the system time on a Cisco router that is running the NX-OS operating system.
clock set [hh:mm:ss] [month day year] Usage Examples
Example 1: Setting the system time to 1:30 PM on January 15, 2023.
clock set 13:30:00 Jan 15 2023
Example 2: Setting the system time to 8:00 AM on March 8, 2024.
clock set 08:00:00 Mar 8 2024
Example 3: Setting the system time to 11:45 PM on December 31, 2025.
clock set 23:45:00 Dec 31 2025
Example 4: Setting the system time to 10:00 AM on February 29, 2028, a leap year.
clock set 10:00:00 Feb 29 2028