Hour clock 24
by Mai_xiyu
Hour clock 24 changes how day and night are timed, so the in-game sunrise and sunset follow the real-world date and a 24-hour cycle.
What it does
Hour clock 24 replaces the usual day-night timing with a clock tied to the real world. Sunrise and sunset shift automatically with the date, so the length of day in game follows the seasons, with the longest day at the summer solstice and the shortest at the winter solstice. The author states the aim is to match the Minecraft day-night cycle to the rotation of the Earth, giving the game a closer match to the player's local light.
A 24-hour mode is available and turned on or off by players with the hourclock true and hourclock false commands. The hourclock dawntime command lets a player set the sunrise time to their own preference. The author describes the mod as inspired by a sudden idea and built to bring the in-game day into line with the real one.
Installation is for Forge only, with files for 1.20.1, 1.20.2, 1.20.3 and 1.20.4. Server owners install it, and players connect with no copy of their own. The code is not open source; it is released under All rights reserved. The latest Forge file is 1.6 for 1.20.4, published 2025-09-19, and the mod was first published 2024-12-20.
Key features
Seasonal day length
Sunrise and sunset times change with the real-world date, so summer days run longer than winter days.
Toggle 24-hour mode
Players switch the 24-hour cycle on or off with a command, choosing the timing that suits their play.
Custom sunrise time
The hourclock dawntime command sets the time at which the sun rises.
Real-world sync
The day-night cycle is tied to the real world, mirroring the rotation of the Earth.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Who it’s for: Server owners who want the day-night cycle to follow the real-world date, and players who prefer a 24-hour day rhythm or a set sunrise time.
How it compares
Hour clock 24 is a server-side mod for Forge only, released under All rights reserved and covering 1.20.1 – 1.20.4. DayTimeControl is also server-side, with All rights reserved, and covers 1.20.1 – 1.20.6 on Forge. Simple Day Extender is server-side and open source under the GNU Lesser General Public License v2.1 or later, but only for 1.20.1. Longer Day is open source under the MIT License and runs on either side, with neither side required, for 1.12.2 alone.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Hour clock 24 | Forge | 1.20.1 – 1.20.4 | Server-side only | 2025-09-19 |
| DayTimeControl | Forge | 1.20.1 – 1.20.6 | Server-side only | 2026-04-26 |
| Simple Day Extender | Forge | 1.20.1 | Server-side only | 2025-06-21 |
| Longer Day | Forge | 1.12.2 | Server required, client optional | 2026-06-01 |
Questions
Does the server need Hour clock 24?
Which loader and versions does Hour clock 24 support?
How does a player turn 24-hour mode on or off?
In the catalog
Hour clock 24 is one of 29,952 Game mechanics mods on ModsFinder, and one of 13,316 Game mechanics mods for Forge. 13,907 mods support Minecraft 1.20.4.
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What the author says
HourClock24 is a mod designed to synchronize Minecraft's day-night cycle with the real world. By accurately simulating Earth's rotation, it offers a more realistic gaming experience. Whether it's the longest day of the summer solstice or the shortest day of the winter solstice, HourClock24 automatically adjusts the…
Official listing
- Modrinth page
- modrinth.com/mod/hour-clock-24
- Owner
- Mai_xiyu
- Published
- 2024-12-20
- Updated on Modrinth
- 2025-09-19
- Facts verified
- 2026-10-15