"Calendar Extension" is an extension mod for FRSM, that means it won't work without FRSM.
This Mod adds working 3D Clock and Calendar Blocks.
There are currently these types:
- System Time ~ shows your current system time (pc time)
- Custom Time ~ shows custom time, can be toggled with an item
- World Time ~ planned feature
Screenshots -> http://minecraft.curseforge.com/projects/frsm-calendar-extension/images
License is same as in FRSM.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as Calendar Extension-1.1-1.11.jar — drop this file into the mods folder
- Download size: 251 KB
- Download link checked 2 Sept 2026 — working
These come from our own check of the pack file, not from the source page.