Chapter 4
| System Management Commands
Time
– 185 –
Summer Time, or Daylight Savings Time (DST). Typically, clocks are adjusted
forward one hour at the start of spring and then adjusted backward in autumn.
â—† This command sets the summer-time time relative to the configured time zone.
To specify the time corresponding to your local time when summer time is in
effect, select the predefined summer-time time zone appropriate for your
location, or manually configure summer time if these predefined
configurations do not apply to your location (see clock summer-time (date) or
clock summer-time (recurring).
Example
The following example sets the Summer Time setting to use the predefined
settings for the European region.
Console(config)#clock summer-time MESZ predefined europe
Console(config)#
Related Commands
show sntp (178)
clock summer-time
(recurring)
This command allows the user to manually configure the start, end, and offset
times of summer time (daylight savings time) for the switch on a recurring basis.
Use the no form to disable summer-time.
Syntax
clock summer-time name recurring b-week b-day b-month b-hour b-minute e-
week e-day e-month e-hour e-minute [offset]
no clock summer-time
name - Name of the timezone while summer time is in effect, usually an
acronym. (Range: 1-30 characters)
b-week - The week of the month when summer time will begin. (Range: 1-5)
Table 25: Predefined Summer-Time Parameters
Region Start Time, Day,
Week, & Month
End Time, Day,
Week, & Month
Rel. Offset
Australia 00:00:00, Sunday,
Week 5 of October
23:59:59, Sunday,
Week 5 of March
60 min
Europe 00:00:00, Sunday,
Week 5 of March
23:59:59, Sunday,
Week 5 of October
60 min
New Zealand 00:00:00, Sunday,
Week 1 of October
23:59:59, Sunday,
Week 3 of March
60 min
USA 00:00:00, Sunday,
Week 2 of March
23:59:59, Sunday,
Week 1 of November
60 min