Quick Reference Guide

140 Clock
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DELL CONFIDENTIAL – PRELIMINARY 5/15/12 – FOR PROOF ONLY
Default Configuration
Summer time is disabled.
offset — Default is 60 minutes.
acronym — If unspecified default to the timezone acronym.
If the timezone has not been defined, the default is UTC.
Command Mode
Global Configuration mode.
User Guidelines
• In both the date and recurring forms of the command, the first part of the command specifies
when summer time begins, and the second part specifies when it ends. All times are relative to
the local time zone. The start time is relative to standard time. The end time is relative to summer
time. If the starting month is chronologically after the ending month, the system assumes that
you are in the southern hemisphere.
• USA rule for daylight saving time:
• Start: Second Sunday in March
• End: First Sunday in November
• Time: 2 am local time
• EU rule for daylight saving time:
• Start: Last Sunday in March
• End: Last Sunday in October
• Time: 1.00 am (01:00)
Examples
The following example sets summer time starting on the first Sunday in March at 2 am and
finishing on the first Sunday in
November at 2 am.
Console(config)# clock summer-time recurring first sun mrch 2:00
first sun nov 2:00