An atomic clock is usually set by adjusting the desired time zone then allowing it to synchronize with the signal from radio station WWVB, which broadcasts the time of the atomically controlled clock. WWVB, established b... More » Home & Garden Appliances

Two of the most accurate online clocks that keep real time are available at and Both of these clocks are synchronized to Greenwich Mean Time for absolute precision. More » Science Time & Calendars

The U.S. Naval Observatory and the National Institute of Standards and Technology cooperate to determine a standard world time called Coordinated Universal Time, which can be viewed on Other websites such as ti... More » Science Time & Calendars Hours, Minutes, & Seconds
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An atomic clock keeps time by using the frequency of electromagnetic radiation associated with the natural oscillations of atoms as a standard of measurement. Atomic clocks are the most accurate clocks developed; a cesiu... More » Science Time & Calendars

Manuals Online and The Clock Depot have atomic clock user manuals available for purchase or download as of 2015. Also, many companies provide downloadable manuals on their websites. More » Home & Garden Decor

The Sharp SPC900 clock has a radio-controlled function that automatically synchronizes the time from an atomic clock in Fort Collins, Colorado. However, if it is not possible to synchronize with the atomic clock, the tim... More »

The instructions to initially set the time on an Atomix clock include setting the indicators of the time zone and the daylight saving time. Also, place the clock at a location that makes catching WWVB radio signals easy ... More » Home & Garden Decor