Cisco Systems Cisco IOS XR Sets the time zone for the router clock, Enter the show clock command

Chapter 4 Configuring General Router Features

Manually Setting the Router Clock

DETAILED STEPS

	Command or Action	Purpose
Step 1
	configure	Enters global configuration mode.
	Example:
	RP/0/RP0/CPU0:router# configure
Step 2
	clock timezone zone hours-offset	Sets the time zone for the router clock.
		• The clock timezone command should be entered
	Example:	before the clock is set because it defines the difference
	RP/0/RP0/CPU0:router(config)# clock timezone	between the system time and UTC.
	pst -8	Note The system time is the time that appears when you
		enter the show clock command.
		• zone: Name of the time zone to be displayed when
		standard time is in effect.
		• hours-offset: Difference in hours from UTC.
		• For detailed information about setting the system
		clock, including the configuration of a network time
		server, see the following Cisco documents:
		– Cisco IOS XR System Management Configuration
		Guide
		– Cisco IOS XR System Security Command
		Reference
Step 3
	commit	Commits the target configuration to the running
		configuration.
	Example:
	RP/0/RP0/CPU0:router(config-if)# commit
Step 4
	end	Ends the configuration session and returns to EXEC mode.
	Example:
	RP/0/RP0/CPU0:router(config-if)# end
Step 5
	clock set hh:mm:ss dd mm yyyy	Sets the system software clock.
	Example:
	RP/0/RP0/CPU0:router# clock set 14:12:00 10 feb
	2004
Step 6
	clock update-calendar	Updates the hardware clock (calendar clock) with the new
		clock settings.
	Example:	• The hardware clock is battery operated and runs
	RP/0/RP0/CPU0:router# clock update-calendar	continuously, even if the router is powered off or
		rebooted.
Step 7
	show clock	Displays the clock setting.
		• Use this command to verify the settings.
	Example:
	RP/0/RP0/CPU0:router# show clock
		Cisco IOS XR Getting Started Guide
OL-10957-02			4-45