Reference Guide

240 | System Time
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Defaults
Not configured.
Command Modes
CONFIGURATION
Command
History
Related
Commands
clock summer-time recurring
Set the software clock to convert to daylight saving time on a specific day each year.
Syntax
clock summer-time time-zone recurring [start-week start-day start-month start-time end-week
end-day end-month end-time [offset]]
To delete a daylight saving time zone configuration, use the
no clock summer-time command.
Parameters
end-day
Enter the number of the day.
Range: 1 to 31.
You can enter the name of a month to change the order of the display to
time day month
year.
end-month
Enter the name of one of the 12 months in English.
You can enter the name of a day to change the order of the display to
time day month
year.
end-time
Enter the time in hours:minutes. For the hour variable, use the 24-hour format, example,
17:15 is 5:15 pm.
end-year
Enter a four-digit number as the year.
Range: 1993 to 2035.
offset
(OPTIONAL) Enter the number of minutes to add during the summer-time period.
Range: 1 to1440.
Default: 60 minutes
Version 8.3.17.0 Supported on the M I/O Aggregator.
calendar set Sets the hardware clock.
clock summer-time recurring Sets a date (and time zone) on which to convert the switch to daylight saving
time each year.
show clock Displays the current clock settings.
time-zone
Enter the three-letter name for the time zone. This name is displayed in the show clock
output.
You can enter up to eight characters.
start-week
(OPTIONAL) Enter one of the following as the week that daylight saving begins and then
enter values for
start-day through end-time:
•
week-number: Enter a number from 1-4 as the number of the week in the month to
start daylight saving time.
•
first: Enter this keyword to start daylight saving time in the first week of the month.
•
last: Enter this keyword to start daylight saving time in the last week of the month.
start-day
Enter the name of the day that you want daylight saving time to begin. Use English three
letter abbreviations, for example, Sun, Sat, Mon, etc.
Range: Sun – Sat
start-month
Enter the name of one of the 12 months in English.