HP 5800 Series Configuration Manual page 167

Configuration System clock configured
If the value of the original system clock ±
"zone-offset" is not in the summer-time range, the
system clock configured is the original system
clock ± "zone-offset."
2 and 3 or
3 and 2
If the value of the original system clock ±
"zone-offset" is in the summer-time range, the
system clock configured is the original system
clock ± "zone-offset" + "summer-offset."
If the value of "date-time"± "zone-offset" is not in
the summer-time range, the system clock
configured is "date-time"±"zone-offset."
1, 2 and 3
or 1, 3 and 2
If the value of "date-time"±"zone-offset" is in the
summer-time range, the system clock configured
is "date-time"±"zone-offset"+"summer-offset."
If "date-time" is not in the daylight saving time
range, the system clock configured is
"date-time."
[1], 2, 3 and 1
or [1], 3, 2 and
"date-time" is in the daylight saving time range:
1
If the value of "date-time"-"summer-offset" is not
in the summer-time range, the system clock
configured is "date-time"-"summer-offset";
If the value of "date-time"-"summer-offset" is in
the summer-time range, the system clock
configured is "date-time."
Example
Configure: clock timezone zone-time
add 1 and clock summer-time ss one-off
1:00 2007/1/1 1:00 2007/8/8 2
System clock configured: 02:00:00
zone-time Sat 01/01/2005
Configure: clock timezone zone-time
add 1 and clock summer-time ss one-off
1:00 2005/1/1 1:00 2005/8/8 2
System clock configured: 04:00:00 ss
Sat 01/01/2005
Configure: clock datetime 1:00
2007/1/1, clock timezone zone-time
add 1 and clock summer-time ss one-off
1:00 2008/1/1 1:00 2008/8/8 2
System clock configured: 02:00:00
zone-time Mon 01/01/2007
Configure: clock datetime 1:00
2007/1/1, clock timezone zone-time
add 1 and clock summer-time ss one-off
1:00 2007/1/1 1:00 2007/8/8 2
System clock configured: 04:00:00 ss
Mon 01/01/2007
Configure: clock timezone zone-time
add 1, clock summer-time ss one-off
1:00 2008/1/1 1:00 2008/8/8 2
and clock datetime 1:00 2007/1/1
System clock configured: 01:00:00
zone-time Mon 01/01/2007
Configure: clock timezone zone-time
add 1, clock summer-time ss one-off
1:00 2008/1/1 1:00 2008/8/8 2
and clock datetime 1:30 2008/1/1
System clock configured: 23:30:00
zone-time Mon 12/31/2007
Configure: clock timezone zone-time
add 1, clock summer-time ss one-off
1:00 2008/1/1 1:00 2008/8/8 2
and clock datetime 3:00 2008/1/1
System clock configured: 03:00:00 ss
Tue 01/01/2008
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