Except that also depends on your latitude... Here at 57N it's dark until 9pm on Dec/Jan, currently the sun rises at 7am, and in the summer it's only dark for a

Except that also depends on your latitude... Here at 57N it's dark until 9pm on Dec/Jan, currently the sun rises at 7am, and in the summer it's only dark for a couple of hours at night. Even with all-round DST it'll still be dark when children go to school in winter.