- 11:15 (AM)
- 23:15 (or 11:15 PM)
This rebooting is necessary for stability and lag-free playing (a minecraft server gets heavier to run for the pc overtime).
15 minutes in advance the players will receive warnings thats its gonna happen and will look like this:
It saves the server state, all your blocks and just everything just as i would do it manually, though i recommend you stop building or doing things in your inventory when the 5 second countdown starts.[Server] Server rebooting in 15 mins
[Server] Server rebooting in 10 mins
[Server] Server rebooting in 5 mins
[Server] Server rebooting in 1 min
[Server] Server rebooting...5
[Server] 4...
[Server] 3...
[Server] 2...
[Server] 1...
[Server] bai
This is because every build / inventory change syncs with the server and thus needs time to reach the server, and you don't want to lose things to the twilight zone now do you ?

Thats all!