Command Line Reference Guide

Time and Network Time Protocol (NTP) | 1043
Defaults
Not configured.
Command Modes
CONFIGURATION
Command
History
Related
Commands
clock summer-time recurring
c e s
Set the software clock to convert to daylight savings 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 savings time zone configuration, enter no clock summer-time.
Parameters
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 8.3.5.0 Introduced on S55
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
calendar set Set the hardware clock.
clock summer-time recurring Set a date (and time zone) on which to convert the switch to daylight savings
time each year.
show clock Display 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 savings 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 savings time.
first: Enter this keyword to start daylight savings time in the first week of the month.
last: Enter this keyword to start daylight savings 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.
start-time
Enter the time in hours:minutes. For the hour variable, use the 24-hour format, example,
17:15 is 5:15 pm.