Military time is based on a 24 hour clock instead of using the standard 12 hour clock. ... For example, 6:30 a.m. in civilian time is written simply as 0630 in military time.

The civilian ... the two clocks will help scientists at the lab continue to improve both clocks as they serve as U.S. standards for civilian time. The U.S. Naval Observatory maintains military ...

An atomic clock is designed to measure time according to vibrations within atoms. Like the NIST-F1, which has served as the U.S. civilian time standard since 1999, NIST-2 uses a "fountain" of ...

In 2014, when Bob Clark heard that people were debating whether to modernize the old Joint Base Lewis-McChord Garrison Headquarters clock, he worked to turn back time. “‘Let’s see if we can ...