Day Night Control – Custom Day Length & Real-Time Sync

Day Night Control

Take complete control of your Minecraft server’s day and night cycle.

Day Night Control is a lightweight, server-side NeoForge mod that lets administrators configure the real-world duration of daytime and nighttime independently. It can also synchronize the world clock with any real-world time zone.

Players do not need to install the mod on their clients.

Features

• Set custom real-time durations for day and night

• Synchronize Minecraft time with a real-world time zone

• Supports all standard IANA time zones, including Europe/Warsaw, America/New_York, and Asia/Tokyo

• Time-zone autocomplete

• Smooth server-side time progression

• Correct handling of /time set commands

• Correct handling of time skips caused by sleeping

• Persistent per-world configuration

• Administrator-only commands

• No client-side installation required

• No configuration files or additional dependencies

Commands

All commands require permission level 2 or higher.

• /setday <duration>
  Sets the real-world duration of the complete daytime phase.

• /setnight <duration>
  Sets the real-world duration of the complete nighttime phase.

• /realtime on <timezone>
  Enables real-time synchronization for the selected time zone.

• /realtime off
  Disables real-time synchronization and restores custom day and night durations.

• /realtime status
  Displays the current mode, day duration, night duration, and configured time zone.

• /daynight status
  Alternative command for displaying the current configuration.

Examples

• /setday 10min

• /setnight 20min

• /setday 30s

• /setnight 1.5h

• /realtime on Europe/Warsaw

• /realtime on America/New_York

• /realtime off

• /daynight status

Supported duration formats

Durations can use:

• s — seconds

• min — minutes

• h — hours

Decimal values are supported. The allowed range is from 1 second to 168 hours.

Real-time synchronization

Minecraft’s clock is mapped to real-world time as follows:

• 06:00 — sunrise

• 12:00 — midday

• 18:00 — sunset

• 00:00 — midnight

Daylight-saving-time changes are handled automatically by Java’s time-zone database.

Persistence

The selected mode, time zone, and custom day and night durations are stored in the world save and survive server restarts.

Compatibility

• Minecraft Java Edition 1.21.x – 26.2

• Dedicated and integrated servers

This is a server-side utility mod. It does not add blocks, items, entities, textures, or client-side interfaces.