D-Link DI-824VUP manual Tools Time, Enable NTP, Set Device Date

Using the Configuration Menu

Tools > Time

You will need to set the time zone corresponding to your location. The time can be set manually or the device can connect to a NTP (Network Time Protocol) server to retrieve the time.

Enable NTP	(Network Time Protocol). Select to synchronize the time on the
	DI-824VUP to an NTP server.
Set Device Date	You can manually set the time on your network here.
and Time

NTP is short for Network Time Protocol, an Internet standard protocol that assures accurate synchronization to the millisecond of computer clock times in a network of computers.

54