Who could know? There are many mysterious things in this world. Or you could just work out how many days there are in the Winter Months (mainly considered November+December) work out how many hours are in there etc!
That depends on your latitude. You can use the U.S. Naval Observatory's Sunrise-Sunset Calculator to see the time of sunrise and sunset for any date, anywhere in the world, at the link below.
In south of Norway, winter daylight is approximately 9 to 16, 7-8 hours.
In north of Norway, north of the Polar Circle, there are periods in the winter with no daylight at all. At Nordkapp, the...
From sunrise to sunset is about nine hours and about fifteen minutes. This doesn't include the twilight before sunrise or after sunset (about thirty minutes or so on each end).