I want to have a proper day and night cycle system, so I am going to follow the tutorials from kleiner baer , looks great. Someone else added a video to make ready for the multiplayer. see
As location it will take Vlissingen. 51.4500° N, 3.5667° E
Update 2017. Too much problems to get this working. So for the moment I will skip this. Just use a fixed situation.
