H3C S7500E Series Ethernet Switches Operation Manual
Operation Manual – System Maintaining and Debugging
H3C S7500E Series Ethernet Switches Chapter 1 Basic Configurations
1-3
Table 1-1 Relationship between the configuration and display of the system clock
Configuration
System clock displayed
by the display clock
command
Example
1
date-time
Configure: clock datetime 1:00
2007/1/1
Display: 01:00:00 UTC Mon
01/01/2007
2
The original system clock ±
zone-offset
Configure: clock timezone
zone-time add 1
Display: 02:00:00 zone-time Sat
01/01/2005
1 and 2
date-time ± zone-offset
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
[1], 2 and 1
date-time
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
If the original system clock is
not in the summer time
range, the original system
clock is displayed.
Configure: clock summer-time ss
one-off 1:00 2006/1/1 1:00
2006/8/8 2
Display: 01:00:00 UTC Sat
01/01/2005
3
If the original system clock is
in the summer time range,
the original system clock +
summer-offset is displayed.
Configure: clock summer-time ss
one-off 00:30 2005/1/1 1:00
2005/8/8 2
Display: 03:00:00 ss Sat
01/01/2005
If date-time is not in the
summer time range,
date-time is displayed.
Configure: clock datetime 1:00
2007/1/1 and clock summer-time
ss one-off 1:00 2006/1/1 1:00
2006/8/8 2
Display: 01:00:00 UTC Mon
01/01/2007
1 and 3
If date-time is in the summer
time range, “date-time” +
“summer-offset” is
displayed.
Configure: clock datetime 8:00
2007/1/1 and clock summer-time
ss one-off 1:00 2007/1/1 1:00
2007/8/8 2
Display: 10:00:00 ss Mon
01/01/2007