Isn’t that because you live very far west in your time zone (eg. Bordeaux)? In the true center of a time zone at the 45th parallel I’d expect 0800-1600 dayligh

Isn’t that because you live very far west in your time zone (eg. Bordeaux)? In the true center of a time zone at the 45th parallel I’d expect 0800-1600 daylight on the winter solstice.