• a minus sign (-) followed by a number from 1 to 23 as the
number of hours.
Defaults Not configured.
Command Modes CONFIGURATION
Command 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-Version
6.1.1.0
Introduced on the E-Series.
Usage
Information
Coordinated universal time (UTC) is the time standard based on the International Atomic Time
standard, commonly known as Greenwich Mean time. When determining system time, you
must 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-calendar
Set the switch hardware clock based on the software clock.
C-Series, E-Series, S-Series, Z-Series
Syntax
clock update-calendar
Defaults Not configured.
Command Modes EXEC Privilege
Command 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-Version
6.1.1.0
Introduced on the E-Series.
Usage
Information
Use this command only if you are sure that the hardware clock is inaccurate and the software
clock is correct. You cannot delete this command (there is not a no form of this command).
Related
Commands
calendar set – sets the hardware clock.
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