The point is to make it darker earlier on the clock so the kids will go to sleep earlier and/or to give them more dark time at night for night activities. This way a night activity can start at 8pm and not 9pm
Oh, I was ‘talking’ to you, actually. You wrote that night descends on them at the same time as it does for everyone else in the region. So I asked you how you knew, if you were actually there. Maybe in that particular place…