1. Stop the server.
2. Open Configuration Files.
3. Click Text Editor for ServerGameSettings.json.
4. Locate the GameTimeModifiers section and edit the required values:
   "DayDurationInSeconds": 1080,
   "DayStartHour": 9,
   "DayStartMinute": 0,
   "DayEndHour": 17,
   "DayEndMinute": 0
5. Save the file.
6. Start the server.

• DayDurationInSeconds — real-time length of a game day, from 60 to 86400 seconds.
• DayStartHour / DayStartMinute — time at which daytime begins.
• DayEndHour / DayEndMinute — time at which daytime ends.