Realtime Day

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Realtime Day

By GregoryAMOwner

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Realtime Day syncs Minecraft’s day/night cycle to your server’s real-world clock — sunrise, noon, and midnight match local time.

Mod Loaders
Minecraft
26.2
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About

Description

Realtime Day

Syncs Minecraft’s day/night cycle to real-world time.

When it’s noon where the server is running, the sun is overhead. When it’s midnight, it’s night in-game. Singleplayer uses your PC’s clock; dedicated servers use the host machine’s timezone (or one you configure).

Features

  • Overworld time follows real local time (dawn ≈ 6:00, noon, dusk, midnight)
  • Uses the server/host timezone by default
  • Optional IANA timezone override (e.g. America/Chicago)
  • Optional on-screen real-time clock in the bottom-right corner
  • Sleep still works — after a vanilla night skip, time snaps back to real time
  • Reload config in-game with /realtimeday reload
  • Server sync works without the mod on clients; install on the client to see the HUD

Config

Created automatically at config/realtimeday.json:

{
  "enabled": true,
  "showHud": true,
  "hudTimeFormat": "24h",
  "timezone": "",
  "syncIntervalTicks": 20,
  "dimensions": ["minecraft:overworld"]
}
Option Description
enabled Turn world time sync on or off
showHud Show the real-time clock in the bottom-right corner
hudTimeFormat HUD clock style: "24h" (22:52) or "12h" (10:52 PM)
timezone Empty = system default; otherwise an IANA timezone id
syncIntervalTicks How often (in ticks) real time is applied to the world clock
dimensions Dimension ids whose default clocks should be synced

Commands

  • /realtimedayhud — toggle the on-screen clock (any player, saved to your client config)
  • /realtimedayhud on / /realtimedayhud off — show or hide the clock
  • /realtimedayhud 12h / /realtimedayhud 24h — set 12-hour or 24-hour clock (10:52 PM / 22:52)
  • /realtimedayhud format — show your current format
  • /realtimeday reload — reload world time sync config (server / op)

Notes

  • Install on the server (or in singleplayer) for day/night sync. Install on the client for the HUD clock.
  • HUD visibility and time format are per-player on each client (config/realtimeday.json).
  • Requires Fabric API.