Command Manual – System Maintenance and DebuggingH3C S7500 Series Ethernet SwitchesChapter 1 Basic System Configurationand Debugging Commands1-3Related commands: clock timezone.Examples# Set the daylight saving time named z2, which starts from 06:00:00 2002/06/08, endsuntil 06:00:00 2002/09/01, and is one hour ahead of the standard time. clock summer-time z2 one-off 06:00:00 2005/06/08 06:00:00 2002/09/0101:00:00# Set the daylight saving time named z2, which starts from 06:00:00 06/08, ends until06:00:00 09/01, and is one hour ahead of the standard time every year from 2002 on. clock summer-time z2 repeating 06:00:00 2002/06/08 06:00:00 2002/09/0101:00:001.1.3 clock timezoneSyntaxclock timezone zone-name { add | minus } HH:MM:SSundo clock timezoneViewUser viewParameterszone-name: Name of the time zone, in length of 1 to 32 characters.add: Sets the time zone to a time before the UTC time.minus: Sets the time zone to a time behind the UTC time.HH:MM:SS: Time to be subtracted from the UTC time, in the form of HH:MM:SS.DescriptionUse the clock timezone command to set the local time zone.Use the undo clock timezone command to restore the local time zone to the defaultUTC (universal time coordinated) time zone.After the setting, you can use the display clock command to check the results. The loginformation time and the debugging information time adopt the local time that has beenadjusted by the time zone and the daylight saving time.Related commands: clock summer-time.Examples# Set the local time zone named z5, which is five hours ahead of the UTC time. clock timezone z5 add 05:00:00