Why are the day’s get shorter at winter

Question: Why are the day's get shorter at winter
- Keywords:
  day,
  short,
  winter
Asked by hannah to Pip, Reka on 18 Nov 2016.
- Reka Nagy answered on 18 Nov 2016:
  
  Because Earth is further from the Sun in winter (on this hemisphere, anyway) so the sun’s angle hits us differently and for a shorter amount of time.

Question: Why are the day's get shorter at winter