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Catalyst 3550 Multilayer Switch Software Configuration Guide
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Chapter6 Administering the Swi tc h Managing the System Time and Date
Configuring the Time Zone
Beginning in privileged EXEC mode, follow these steps to manually configure the time zone:
The minutes-offset variable in the clock timezone global configuration command is available for those
cases where a local time zone is a percentage of an hour different from UTC. For example, th e time zone
for some sections of Atlantic Canada (AST) is UTC-3.5, where the 3 means 3 hours and .5 means 50
percent. In this case, the necessary command is clock timezone AST -3 30.
To set the time to UTC, use the no clock timezone global configuration command.
Command Purpose
Step1 configure terminal Enter global configuration mode.
Step2 clock timezone zone hours-offset
[minutes-offset]Set the time zone.
The switch keeps internal time in universal time coordinated (UTC), so
this command is used only for display purposes and when the time is
manually set.
•For zone, enter the name of the time zone to be displayed when
standard time is in effect. The default is UTC.
•For hours-offset, enter the hours offset from UTC.
•(Optional) For minutes-offset, enter the minutes offset from UTC.
Step3 end Return to privileged EXEC mode.
Step4 show running-config Verify your entries.
Step5 copy running-config startup-config (Optional) Save your entries in the configuration file.