Administrator Guide

Command Modes CONFIGURATION
Supported Modes All Modes
Command
History
Version Description
9.4(0.0) Supported on the FN I/O Aggregator.
8.3.17.0 Supported on the M I/O Aggregator.
Related
Commands
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.
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
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 to 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, and so on. The range is from
Sun to Sat.
start-month Enter the name of one of the 12 months in English.
start-time Enter the time in hours:minutes. For the hour variable, use the 24-hour format;
example, 17:15 is 5:15 pm.
end-week Enter the one of the following as the week that daylight saving ends:
● week-number: enter a number from 1 to 4 as the number of the week to end
daylight saving time.
● first: enter the keyword first to end daylight saving time in the first week
of the month.
● last: enter the keyword last to end daylight saving time in the last week of
the month.
end-day Enter the weekday name that you want daylight saving time to end. Enter the
weekdays using the three letter abbreviations; for example Sun, Sat, Mon, and so
on. The range is from Sun to Sat.
end-month Enter the name of one of the 12 months in English.
end-time Enter the time in hours:minutes:seconds. For the hour variable, use the 24-hour
format; example, 17:15:00 is 5:15 pm.
offset (OPTIONAL) Enter the number of minutes to add during the summer-time period.
The range is from 1 to 1440. The default is 60 minutes.
294 System Time