Question

why in winter nights are longer than days

Answer 1

Because the earth's axis is tilted. It is all about the tilt of the Earth's axis.At the December solstice, the Northern Hemisphere is leaning most away from the sun for the year. After the winter solstice, the days get longer, and the nights shorter.

Answer 2

Because the earth's axis is tilted it is all about the tilt of the earth's axis. At the december solstice the northern hemisphere is leaning most away from the sun for the year. After the winter solstice the days get longer and the nights shorter.