Configuring The System Clock; Displaying The System Clock - H3C SR6600 Fundamentals Configuration Manual

Configuring the System Clock

Configuring the System Clock
The system clock, displayed by system time stamp, is determined by the configured relative time, time
zone, and daylight saving time. To view the system clock, use the display clock command.
Follow these steps to configure the system clock:
To do...
Set time and date
Enter system view
Set the time zone
Adopt daylight saving
time from the
start-time on the
start-date to the
end-time on the
Set a
end-date. Daylight
daylight
saving time adds the
saving
add-time to the
time
standard time of the
scheme
device.
Adopt daylight saving
time repeatedly

Displaying the System Clock

The system clock is determined by the commands clock datetime, clock timezone and clock
summer-time. If these three commands are not configured, the display clock command displays the
original system clock. If you combine these three commands in different ways, the system clock is
displayed in the ways as shown in
column are as follows:
1 indicates date-time has been configured with the clock datetime command.
2 indicates time-zone has been configured with the clock timezone command and the offset time
is zone-offset.
3 indicates daylight saving time has been configured with the clock summer-time command and
the offset time is summer-offset.
[1] indicates the clock datetime command is an optional configuration.
The default system clock is 2005/1/1 1:00:00 in the example.
Table 13-1 System clock configuration
Configuration
1
Use the command...
clock datetime time date
system-view
clock timezone zone-name { add |
minus } zone-offset
clock summer-time zone-name
one-off start-time start-date
end-time end-date add-time
clock summer-time zone-name
repeating start-time start-date
end-time end-date add-time
Table 13-1. The meanings of the parameters in the configuration
System clock configured
date-time
13-151
Remarks
Optional
Available in user view.
—
Optional
Universal time coordinated (UTC)
time zone by default.
Optional
Use either command
By default, daylight saving time is
not configured on the device, and
the UTC time zone is applied.
Example
Configure: clock datetime 1:00 2007/1/1
System clock configured: 01:00:00 UTC
Mon 01/01/2007