NETTIME

NETTIME is a straightforward piece of software that checks the world time on various online hosts and offers to adjust your system clock, based on your timezone. There are no configuration settings available since you just have to run the tool.

Compares your system clock to online time servers

The time checker automatically cycles through a list of web-based servers that it verifies to find out the current time, displaying a dialog box in the center of the screen. If your computer is synced to the network time, then no corrections are necessary so you can just exit this window.
Otherwise, NETTIME shows the network date and time (in hours, minutes and seconds), along with the difference. It offers to change the PC setting on your behalf to spare you the trouble of finding the date and time settings panel yourself.

Delete, edit or create new hosts

On the top of this window, where the titlebar should be, you can view an IP address. This represents the location of the host that's currently being consulted by NETTIME. To view all of them, you can open the .INI configuration file with Notepad or another text editor, which exists in the same location as the program.
There are 28 hosts listed in this document, and NETTIME goes through them one at a time when double-clicking the .exe. However, you can edit or delete the hosts as well as create new ones (up to 33 servers) by following the format displayed.

Perform time syncs automatically from the console

The default host timeout can be modified too. If you're familiar with the console environment, you can use the /hide command parameter to block all messages and perform the system clock update automatically, whenever it's required.
No installation is necessary so you can directly run the .exe from the downloaded package. NETTIME delivers a simple solution for syncing your system clock to a time server. It worked smoothly on Windows 10 in our tests.