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Sealed Time Capsule

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Sealed Time Capsule

By httpsluch

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Seal items and notes in a capsule that won't open until real-world or in-game days have passed. Lightweight and server-friendly, for Fabric, Forge and NeoForge.

Mod Loaders
Minecraft
26.3 26.2
Shockbyte server hosting: 35% off your first server with code MODDEX35 (opens in a new tab)

About

Description

Time Capsule

Leave something for your future self, or for everyone on your server.

How it works

  1. Craft a Time Capsule and place it.
  2. Choose how it keeps time: real-world days or in-game days.
  3. Pick how long it stays sealed, from 1 to 365 days.
  4. Put in your items and written books, then seal it.
  5. Until time runs out, the capsule stays shut and can't be broken open. Right-click it to see how long is left.
  6. When the time is up, open it and find what you left behind.


Great for

  • SMP servers: bury capsules at the start of a season and open them together at the end.
  • Long survival worlds: write a note to yourself and read it 100 days later.
  • Creators: "opening our one-year time capsule" episodes.

Lightweight by design

  • Capsules never tick. Time is only checked when someone interacts with one.
  • Plain block model, no custom renderers or shaders.
  • No extra libraries (Fabric only needs Fabric API).

Real-world or in-game days?

  • Real-world days use the real clock, so they keep counting while the game or server is off.
  • In-game days count Minecraft days, so they only pass while the world is running.

Configuration

Edit config/timecapsule.properties to set the default time mode, the default and maximum number of days, and whether the whole server is told when a capsule opens.

Supported versions

Minecraft Fabric Forge NeoForge
1.20.1 Yes Yes Use the Forge version
1.21.1 Yes Yes Yes
26.1.2 Yes Yes Yes
26.2 Yes Yes Yes
26.3 Yes Yes Yes

Install it on both the client and the server.