H3C S5500-SI Series Operation Manual page 966

To do...
Enter system view
Set the time zone
Set a daylight saving time
scheme
Displaying the system clock
The system clock is decided 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 shown in
are as follows:
1 indicates date-time has been configured with the clock datetime.
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 1-1 Relationship between the configuration and display of the system clock
Configuration
1 date-time
2 The original system clock ± zone-offset
1 and 2 date-time ± zone-offset
[1], 2 and 1
date-time
Use the command...
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 1-1. The meanings of the parameters in the configuration column
System clock displayed by the
display clock command
1-3
Remarks
—
Optional
Optional
Use either command
Example
Configure: clock datetime 1:00
2007/1/1
Display: 01:00:00 UTC Mon
01/01/2007
Configure: clock timezone zone-time
add 1
Display: 02:00:00 zone-time Sat
01/01/2005
Configure: clock datetime 2:00
2007/2/2 and clock timezone
zone-time add 1
Display: 03:00:00 zone-time Fri
02/02/2007
Configure: clock timezone zone-time
add 1 and clock datetime 3:00
2007/3/3
Display: 03:00:00 zone-time Sat
03/03/2007