Hey all it is almost 24/7 i think this weekend but here are the times for this week :
monday to friday 7:30 to 14:30 and longer but that are the times he is SURE online.
i try to set it on from 15:00 to 18:00 and from 19:00 to 23:00
server 2 is every day online from 12:00 to 23:00 so you almost always can join saw!