Provides synchronization to atomic clock time with ±5 milliseconds accuracy, instant time conversion across 7 million locations, up-to-date zone changes, sunrise, sunset, day length, calendar features, offline access, multiple formats, and no ads.


AtomicClock is described as 'Ever wanted to know exact current time to celebrate someone's birthday or New Year's Eve? Or simply to synchronize clocks? AtomicClock provides exact times based on NTP servers which are getting their time directly from atomic clocks!' and is an app. There are 2 alternatives to AtomicClock for Web-based, iPhone and iPad. The best AtomicClock alternative is Time.is, which is free.
Provides synchronization to atomic clock time with ±5 milliseconds accuracy, instant time conversion across 7 million locations, up-to-date zone changes, sunrise, sunset, day length, calendar features, offline access, multiple formats, and no ads.


A comprehensive web-based time management platform with world clocks, timers, stopwatches, alarms, and time zone comparison tools.



