The dst-zone command configures the start and end dates and offset for summer time or daylight savings time to override system defaults or for user-defined time zones.
When configured, the time is adjusted by adding the configured offset when summer time starts and subtracting the configured offset when summer time ends.
config>system>time
dst-zone zone-name
end {end-week} {end-day} {end-month} [hours-minutes]
offset offset
start {start-week} {start-day} {start-month} [hours-minutes]
config>system>time
# dst-zone pt
config>system>time>dst-zone# start second sunday april 02:00
end first sunday october 02:00
config>system>time>dst-zone# offset 0
If the time zone configured is listed in Table: System-defined Time Zones , then the starting and ending parameters and offset do not need to be configured with this command unless there is a need to override the system defaults. The command returns an error if the start and ending dates and times are not available either in Table: System-defined Time Zones or entered as optional parameters in this command.
The following example displays the configured parameters.
A:ALU-1>config>system>time>dst-zone# info
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start second sunday april 02:00
end first sunday october 02:00
offset 0
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A:ALU-1>config>system>time>dst-zone# offset 0