Device Management Commands; Clock Datetime - H3C S5830V2 Command Reference Manual

Device management commands

clock datetime

Use clock datetime to set the UTC time.
Syntax
clock datetime time date
Default
The UTC time is the factory-default time.
Views
User view
Predefined user roles
network-admin
Parameters
time: Specifies a time in the hh:mm:ss format. The value range for hh is 0 to 23. The value range for
mm is 0 to 59. The value range for ss is 0 to 59. The leading zero in a segment can be omitted. If the
seconds segment is 0 (hh:mm:00), you can omit it. If both the minutes and seconds segments are 0
(hh:00:00), you can omit both of the segments. For example, to specify 08:00:00, you can enter 8.
date: Specifies a date in the MM/DD/YYYY or YYYY/MM/DD format. The value range for YYYY is
2000 to 2035. The value range for MM is 1 to 12. The value range for DD varies by month.
Usage guidelines
When the system time source is the local system time, the system time varies by the following items:
•
Local time zone.
•
UTC time.
•
Daylight saving time.
To view the system time, use the display clock command.
The correct system time setting is essential to network management and communication. To run a
device on a network, you must perform one of the following tasks on the device:
•
Set the system time correctly.
•
Use NTP or PTP to synchronize the device with a trusted time source.
Examples
# Set the UTC time to 08:08:08 01/01/2012.
<Sysname> clock datetime 8:8:8 1/1/2012
# Set the UTC time to 08:10:00 01/01/2012.
<Sysname> clock datetime 8:10 2012/1/1
Related commands
•
clock protocol
•
clock summer-time
•
clock timezone
•
display clock
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