Users Guide

• 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.
Defaults Not configured.
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 date — sets a date (and time zone) on which to convert the switch to daylight saving time on
a one-time basis.
show clock — displays the current clock settings.
clock timezone
Configure a timezone for the switch.
Syntax
clock timezone timezone-name offset
To delete a timezone configuration, use the no clock timezone command.
402 System Time