Device Configuration > System > Administration > Time

Device current date and time can be set according to the device’s internal clock or synchronized with an NTP server. Device clock can be tuned to show the right time using global Time servers so that logs show the precise time and device internal activities can also happen at a precise time.

Below are the screen elements and their description for setting the Time and Date for the Device:
Current Time
Displays the current system time.
Time Zone
Select time zone according to the geographical region in which the device is deployed.
Use pre-defined NTP Server
Select to use the pre-defined NTP servers – asia.pool.ntp.org & in.pool.ntp.org.

NTP stands for Network Time Protocol, and it is an Internet standard protocol used to synchronize the clocks of device to some time reference.

Use Custom NTP Server
Specify the NTP server IPv4 Address or IPv6 Address or domain name to synchronize time with it. If custom NTP server is defined, time is synchronized with custom server and not with pre-defined servers.

Devices use NTP Version 3 (RFC 1305). One can configure up to 10 NTP servers. At the time of synchronization, it queries each configured NTP server sequentially. When the query to the first server is not successful, device queries second server and so on until it gets a valid reply from one of the NTP servers configured.

Sync Status
Click Sync Now to synchronize device clock with the NTP Server.
Do Not use NTP Server
Select to configure the date and time for device’s clock.
Specify the date by clicking calendar .
Specify the time in HH:MM:SS format.