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Catalyst 6500 Series Switch Command Reference—Release8.1
78-15474-01
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.
enable Causes the system to set the clock ahead one hour during dayl igh t
saving time.
disable Prevents the system from setting the clock ahe ad o ne ho ur dur i ng
daylight saving 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 Day of the month (1 to 31).
year Number of the year (1993 to 2035).