1 mirror · Windows · Free
Pick from 1 verified mirror below. All deliver the same 1685 KB file under the Freeware license.
1 available
About this software
The first accurate atomic clock was built in 1955. Since when the second being based on atomic time and defined as the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two levels of the caesium atom.
Read the full Atomic Clock ScreenSaver review and feature list →
Tips
If a mirror is slow or temporarily offline, just pick another from the list above — every mirror serves the identical 1685 KBfile. Each link launches a brief 5-second redirect page so we can track which mirrors are healthiest.
At a glance