What would happen if the earth was to turn more slowly on its axis ?

Question: What would happen if the earth was to turn more slowly on its axis ?
- Keywords:
  Earth,
  rotation
Asked by to Andrew, Elaine, Emma, Michael, Nancy on 24 Jun 2014. This question was also asked by .
- Andrew French answered on 24 Jun 2014:
  
  Well, days (and nights) would get longer to start with!
  
  I’m guessing this would lead to hotter days, and colder nights too.

Question: What would happen if the earth was to turn more slowly on its axis ?