I will happily admit to not seeing the point, and wishing that this didn’t exist. But in case you were wondering why DST is around in the first place, read on:

We all hate switching to "Day Light Savings Time" every year.

So why do so many countries do it?

It's because of "The Great War". Time for a War Economics lesson.

[THREAD] pic.twitter.com/dAqw2EG5Xn

— Paul Poast (@ProfPaulPoast) March 11, 2023

Note that the idea has been around since before the first world war – it was operationalized in 1916.