Joseph Epstein’s op-ed “Enough with Changing the Clock” (Jan. 24) argues for eliminating daylight-saving time and adopting standard time throughout the U.S. While Mr. Epstein goes in the right ...

International experts have proposed starting from May 20, 2027, to abandon the adjustment of Coordinated Universal Time (UTC) using coordination seconds. A draft solution designed to reduce the risk ...

The difference between Japan Standard Time (JST) and Coordinated Universal Time (UTC) has been reduced from typically ±20 ns to less than ±5 ns by the inclusion of the optical lattice clock since ...