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Catalyst 6500 Series Switch Command Reference—Release8.4
OL-6244-01
Chapter2 Catalyst 6500 Series Switch and ROM Monitor Commands set ntp summertime
set ntp summertime
To set the clock ahead one hour during daylight saving time, use the set ntp summertime command.
set ntp summertime {enable | disable} [zone]
set ntp summertime recurring [{week} {day} {month} {hh:mm} {week | day | month | hh:mm}
[offset]]
set ntp summertime date {month} {date} {year} {hh:mm}{month | date | year | hh:mm} [offset]
Syntax Description
Defaults By default, the set ntp summertime command is disabled. Once enabled, the default for offset is
60 mi nutes, fol lowing U.S. standards.
Command Types Switch command.
Command Modes Privileged.
Usage Guidelines After you enter the clear config command, the dates and times are set to default.
Unless you configure it otherwise, this command advances the clock one hour at 2:00 a.m. on th e first
Sunday in April and moves back the clock one hour at 2:00 a.m. o n the last Su nda y i n Oc tobe r.
Examples This example shows how to cause the system to set the clock ahead one hour during daylight saving time:
Console> (enable) set ntp summertime enable PDT
Summertime is enabled and set to “PDT”.
Console> (enable)
enable Causes the system to set the clock ahead one hour during dayli gh t saving t ime.
disable Prevents the system from setting the clock ahead one hour during dayl i gh t s aving time.
zone (Optional) Time zone used by the set summertime command.
recurring Specifies the summertime dates that recur every year.
week (Optional) Week of the month (first, second, third, fourth, last, 1...5).
day (Optional) Day of the week (Sunday, Monday, Tuesda y, and so forth).
month Month of the year (January, February, March, and so forth).
hh:mm Hours and minutes.
offset (O ption al) Amount of offset in minutes (1 to 1440 minu tes).
date Specifies summertime dates for specific non-recurring dates.
date Day of the month (1 to 31).
year Number of the year (1993 to 2035).