This page provides detailed information about the Day Length mod, including guides on how to customize the in-game day-night cycle and enable real-world time synchronization. While key features are covered, this page is still being updated as we refine and expand the information.
Day Length is a mod that allows you to control the in-game day-night cycle, making days shorter or longer. It also includes an optional real-world time synchronization feature, ensuring in-game time matches real-world hours.
Customizable Day Length – Adjust the duration of a full Minecraft day using a gamerule.
Real-World Time Synchronization – Sync in-game time with the server’s real-world time.
Smooth Time Transition – Ensures natural progression without sudden time jumps.
Configurable via Gamerules – Easily modify settings with simple commands.
Supports Server and Singleplayer – Works in both multiplayer and solo worlds.
Download Day Length and AnCore Lib.
Move both files into your mods folder.
Launch Minecraft, and the mod will be active.
Custom Day Length
Allows changing the length of a full Minecraft day. The default day length is 20 minutes.
Command: /gamerule customDayLength [minutes]
Example: /gamerule customDayLength 1440 → Sets a full day to 24 real-world hours.
Real-Time Synchronization
Enables or disables synchronization with real-world time.
Command: /gamerule realTimeSync [true/false]
Example: If the server is in UTC+2 and it’s 14:00, in-game time will also be 14:00.
Best used for long-term survival servers and roleplay worlds.
Q: Can I use this mod in a multiplayer server?
A: Yes, Day Length works on both singleplayer and multiplayer servers, allowing full customization of time progression.
Q: How do I change the length of a Minecraft day?
A: Use the command /gamerule customDayLength [minutes] to set the length of a full Minecraft day in real-world minutes.
Q: Can I sync Minecraft time with real-world time?
A: Yes, enable real-time synchronization with /gamerule realTimeSync true, making in-game time match the server’s real-world time.
Q: Will the time transition smoothly when changing settings?
A: Yes, Day Length ensures smooth time progression, preventing abrupt jumps in the sun and moon’s position.
Q: Do I need another mod for Day Length to work?
A: Yes, Day Length requires AnCore Lib to function correctly.
Q: Where can I get support or report issues?
A: Visit the issues page or join our Discord for help.
Q: Can I use Day Length in my modpack?
A: Yes, you are free to include Day Length in any modpack as long as you provide proper credit to the mod.