Administrator Guide

• Setting Recurring Daylight Saving Time
Setting the Time and Date for the Switch Software Clock
You can change the order of the month and day parameters to enter the time and date as time day month year. You cannot delete the
software clock.
The software clock runs only when the software is up. The clock restarts, based on the hardware clock, when the switch reboots.
To set the software clock, use the following command.
• Set the system software clock to the current time and date.
EXEC Privilege mode
clock set time month day year
• time: enter the time in hours:minutes:seconds. For the hour variable, use the 24-hour format; for example, 17:15:00 is 5:15 pm.
• 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.
• day: enter the number of the day. The range is from 1 to 31. You can enter the name of a month to change the order of the display
to time day month year.
• year: enter a four-digit number as the year. The range is from 1993 to 2035.
Example of the clock set Command
Dell#clock set 16:20:00 19 september 2009
Dell#
Setting the Timezone
Universal time coordinated (UTC) is the time standard based on the International Atomic Time standard, commonly known as Greenwich
Mean time.
When determining system time, include the dierentiator between UTC and your local timezone. For example, San Jose, CA is the Pacic
Timezone with a UTC oset of -8.
To set the clock timezone, use the following command.
• Set the clock to the appropriate timezone.
CONFIGURATION mode
clock timezone timezone-name offset
• timezone-name: enter the name of the timezone. Do not 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 (-) then a number from 1 to 23 as the number of hours.
Example of the clock timezone Command
Dell#conf
Dell(conf)#clock timezone Pacific -8
Dell(conf)#01:40:19: %SYSTEM-P:CP %CLOCK-6-TIME CHANGE: Timezone
configuration changed from "UTC 0 hrs 0 mins" to "Pacific -8 hrs 0
mins"
Dell#
System Time and Date
999