Sorry About Your Sleep.

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Daylight saving time has roots in cost-cutting strategies of the late 19th century.

Hello. You may be here to learn when is daylight saving time, or what is the time that we’re saving, or why does daylight saving time even exist.

Hopefully, this will answer those questions, and maybe a few more that hadn’t crossed your mind, like what do the railroad companies of the 19th century have to do with it and whether golf course owners have an interest in your sleep habits.

Here goes.

When is it?
Based on when search interest for this question jumps, it is probably soon. Unlike other, easier-to-remember federal events, like the Fourth of July, in the United States the clock change is tied to a roving day: Since 2007, it has taken place on the second Sunday of March, when clocks spring forward an hour, and the first Sunday of November, when they go back. (In 2022, those dates are March 13 and Nov. 6.)

In Britain, France and Germany, the clocks change on the last Sunday in March, and the last Sunday in October. (In 2022, those dates are March 27 and Oct. 30.)

American lawmakers in 1966, writing in the Uniform Time Act, decided that the right time of day for this shift was “2 o’clock antemeridian,” better known as 2 a.m.

What is it?
To farmers, daylight saving time is a disruptive schedule foisted on them by the federal government; a popular myth even blamed them for its existence. To some parents, it’s a nuisance that can throw bedtime into chaos. To the people who run golf courses, gas stations and many retail businesses, it’s great.'>>>

https://www.nytimes.com/article/daylight-saving-time-questions.html