Cisco Cisco Web Security Appliance S670 User Guide
26-28
Cisco IronPort AsyncOS 7.7 for Web User Guide
Chapter 26 System Administration
System Date and Time Management
Both the GUI and the CLI allow you to adjust the time zone and either manually set system date/time or
identify an NTP server to query.
identify an NTP server to query.
System Date and Time Management Using the CLI
System Date and Time Management Using the GUI
GMT Offsets
In the GUI, you can specify the time zone using a GMT offset if you choose. GMT offset refers to the
time difference, in hours, between the local time and Greenwich Mean Time (GMT). GMT is the current
local time in Greenwich, UK, which is located at the Prime Meridian. Hours preceded by a minus sign
(“-”) are east of the Prime Meridian. A plus sign (“+”) indicates west of the Prime Meridian.
time difference, in hours, between the local time and Greenwich Mean Time (GMT). GMT is the current
local time in Greenwich, UK, which is located at the Prime Meridian. Hours preceded by a minus sign
(“-”) are east of the Prime Meridian. A plus sign (“+”) indicates west of the Prime Meridian.
For example, the GMT offset for New York City is +5. There are five hours difference between local time
in New York City and GMT. New York City is west of the Prime Meridian. Adding five hours to the local
time in New York City gives you GMT.
in New York City and GMT. New York City is west of the Prime Meridian. Adding five hours to the local
time in New York City gives you GMT.
Setting the Time Zone
Step 1
Navigate to System Administration > Time Zone.
Step 2
Click Edit Settings.
Step 3
Select your region, country, and time zone or select the GMT offset. (See
.)
Step 4
Submit and commit the changes.
Command
Subcommand
Description
ntpconfig
Synchronize the system date and time with an
NTP server. Without a subcommand, lists the
NTP servers that are currently configured.
NTP server. Without a subcommand, lists the
NTP servers that are currently configured.
new
Add a new NTP server to the configuration.
Enter the fully qualified hostname or IP address
of the NTP server.
Enter the fully qualified hostname or IP address
of the NTP server.
delete
Delete an NTP server from the configuration.
Enter the fully qualified hostname or IP address
of the NTP server.
Enter the fully qualified hostname or IP address
of the NTP server.
settime
Manually set the system date and time. Enter
the time in MM/DD/YYYY HH:MM:SS
format.
the time in MM/DD/YYYY HH:MM:SS
format.
settz
setup
Set the time zone, specifying region, country,
and country-specific time zone.
and country-specific time zone.