Free pc clock synchronization software for windows

Synchronize your clock with atomic clock. Atomic Time Synchronization application was designed to help users synchronize Local System Clock with Atomic Clocks around the USA.
You choose your server, select your regional GMT decal and then you can easily do synchronization
System requirements:
- Pentium I 166MHz
- 32Mb RAM

Atomic Clock Time Synchronizer is a useful and handy utility to keep your PC clock accurate Atomic Clock Time Synchronizer is an application to keep your PC clock accurate.
It periodically checks and synchronizes your computer clock with NIST atomic time servers, or synchronizes time between computers.
Here are some key features of "Atomic Clock Time Synchronizer":
- Synchronizes time with NIST atomic time servers
- Proxy support: Socks4/Socks4A/Socks5/HTTP
- Supports SNTP (the Simple Network time protocol)
- Supports the TIME protocol
- Can synchronize time with any server running SNTP or TIME protocol
- Periodically checks and synchronizes time at specific interval
- Displays time in either local time or UTC/GMT
- Easy to use and configure
- Nice-looking interface
System requirements:
- 600 megahertz (MHz) Pentium processor, or an AMD Opteron, AMD Athlon64 or AMD Athlon XP processor

Chroma Clock ScreenSaver 2.3 is a program adding a relaxing ceramic scale clock to the PC desktop. It is free. When things are getting out of hand and you are melting in a pool of stress, let the mouse rest, sit back and watch Chroma Clock. It's magic. You'll soon feel all the worries of the outside world melt away, to be replaced with divine inspiration.