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Catalyst 3550 Multilayer Switch Software Configuration Guide
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Chapter 7 Administering the Switch
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, the 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
Step 1
configure terminal Enter global configuration mode.
Step 2
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.
Step 3
end Return to privileged EXEC mode.
Step 4
show running-config Verify your entries.
Step 5
copy running-config startup-config (Optional) Save your entries in the configuration file.
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