Reference Guide
System Time and Date | 1481
Related
Commands
clock timezone
c e s
Configure a timezone for the switch.
Syntax
clock timezone
 timezone-name offset
To delete a timezone configuration, enter no clock timezone.
Parameters
Default
Not configured.
Command Modes
CONFIGURATION
Command
History
Usage
Information
Coordinated Universal Time (UTC) is the time standard based on the International 
Atomic Time standard, commonly known as Greenwich Mean time. When 
determining system time, you must include the differentiator between UTC and your 
local timezone. For example, San Jose, CA is the Pacific Timezone with a UTC offset 
of -8.
Version 7.4.1.0 Updated the start-day and end-day options to allow for using the three-letter 
abbreviation of the weekday name.
pre-Version 
6.1.1.0
Introduced for E-Series
calendar set Set the hardware clock.
clock summer-time date Set a date (and time zone) on which to convert the switch to daylight 
saving time on a one-time basis.
show clock Display the current clock settings.
timezone-name
Enter the name of the timezone. You cannot use spaces.
offset
Enter one of the following:
• a number from 1 to 23 as the number of hours in addition to UTC for the 
timezone.
• a minus sign (-) followed by a number from 1 to 23 as the number of 
hours 
Version 8.3.19.0 Introduced on S4820T
Version 8.3.7.0 Introduced on S4810 
Version 7.6.1.0 Support added for S-Series
Version 7.5.1.0 Support added for C-Series
pre-Version 6.1.1.0 Introduced for E-Series










