In order to keep time accurately, we have always had to set our clocks by the ticks of a better one. Until the 1950s, the best were those set by astronomers based on the position of the sun in the sky ...

DST will end at 03:00:00 AM, Sunday, Oct 1, 1916. When local clocks are to be set backward by 1 hour.

In the US, clocks moved forward on 9 March and will fall back again on 3 November 2025 - a week after the UK. Arizona and ...

This means when the clocks go back, the country returns to the default time zone introduced in Britain in 1880 ... Dr Jeffrey Kelu, circadian rhythms expert at King’s College London, says there can be ...

A clock honouring a town's old time zone has been unveiled at a shopping centre ... When trains arrived in the mid-19th Century, the railways operated on London time. "Anyone who came to catch a train ...

Atomic clocks are the basis upon which a second is defined. But there is a new kid on the block, the optical clock, which ...