• a minus sign (-) followed by a number from 1 to 23 as thenumber of hours.Defaults Not configured.Command Modes CONFIGURATIONCommand History Version 8.3.11.1 Introduced on the Z9000.Version 8.3.7.0 Introduced on the S4810.Version 7.6.1.0 Introduced on the S-Series.Version 7.5.1.0 Introduced on the C-Series.pre-Version6.1.1.0Introduced on the E-Series.UsageInformationCoordinated universal time (UTC) is the time standard based on the International Atomic Timestandard, commonly known as Greenwich Mean time. When determining system time, youmust include the differentiator between UTC and your local timezone. For example, San Jose,CA is the Pacific Timezone with a UTC offset of -8.clock update-calendarSet the switch hardware clock based on the software clock.C-Series, E-Series, S-Series, Z-SeriesSyntax clock update-calendarDefaults Not configured.Command Modes EXEC PrivilegeCommand History Version 8.3.11.1 Introduced on the Z9000.Version 7.6.1.0 Introduced on the S-Series.Version 7.5.1.0 Introduced on the C-Series.pre-Version6.1.1.0Introduced on the E-Series.UsageInformationUse this command only if you are sure that the hardware clock is inaccurate and the softwareclock is correct. You cannot delete this command (there is not a no form of this command).RelatedCommandscalendar set – sets the hardware clock.1431