Daylight Savings Time was instituted to reduce energy use, which it does.
It was instituted to save money on candles. Back in the day,
way back in the day, when folks had to work by one of these :candle:; it was a pragmatic idea.
You gained an hour of daylight, thus enabling you to get more work done and using less candles.
When lightbulbs came out, and then became reliable, and then became cheap enough that even poor people could afford to use them.... no one decided to abandon the horribly out of date practice.
A couple of years ago, America convinced Mexico to adopt the practice of daylight savings time. Mexican families were asking why they had to send their children off to school, before the Sun came up. Gee, good question.