Command Manual – System Maintaining and DebuggingH3C S3610&S5510 Series Ethernet Switches Chapter 1 Basic Configuration Commands1-21.1.2 clock summer-time one-offSyntaxclock summer-time zone-name one-off start-time start-date end-time end-dateadd-timeundo clock summer-timeViewUser viewParameterszone-name: Name of the summer time, a string of 1 to 32 characters. It is casesensitive.start-time: Start time, in the format of HH:MM:SS (hours/minutes/seconds). The zerosin the argument can be omitted except for indicating 0 hours.start-date: Start date, in the format of MM/DD/YYYY (months/days/years) orYYYY/MM/DD.end-time: End time, in the format of HH:MM:SS (hours/minutes/seconds). The zeros inthe argument can be omitted except for indicating 0 hours.end-date: End date, in the format of MM/DD/YYYY (months/days/years) orYYYY/MM/DD.add-time: Time added to the standard time of the device, in the format of HH:MM:SS(hours/minutes/seconds). The zeros in the argument can be omitted except forindicating 0 hours.DescriptionUse the clock summer-time one-off command to adopt summer time from thestart-time of the start-date to the end-time of the end-date. Summer time adds theadd-time to the current time of the device.Use the undo clock summer-time command to cancel the configuration of thesummer time.After the configuration takes effect, you can use the display clock command to view it.Besides, the time of the log or debug information is the local time of which the time zoneand summer time have been adjusted.Note that:z The time range from start-time in start-date to end-time in end-date must be longerthan one day and shorter than one year. Otherwise, the argument is considered asinvalid and the configuration fails.