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Cobblemon Shiny DaysMinecraft mod for 1.21.1

Choose days of the week to increase shiny rates for either all Pokémon or specific Pokémon, giving your server events similar to Community Days in Pokémon GO.

server onlynewest supported release 1.21.1Game Mechanics
Latest version
1.1.1-fabric
Minecraft
1.21.1
Loaders
Fabric, NeoForge
Licence
MIT
Downloads
43.8k
Updated
5 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Cobblemon Shiny Days servers

One click and Cobblemon Shiny Days is installed with the right loader, on hardware built for it.

  • 1.21.1
  • Fabric
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Cobblemon Shiny Days declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1Fabric, NeoForge21+declared8 Aug 2024

Download

From Cobblemon Shiny Days’s own host. Nothing is re-hosted here.

For Minecraft 1.21.1

Choose the loader you use before downloading.

  • Fabric

    1.1.1-fabric · 4 Jun 2026 · CobblemonShinyDays-1.1.1-fabric.jar

    Get Fabric
  • NeoForge

    1.1.1-neoforge · 18 Jun 2025 · CobblemonShinyDays-1.1.1-neoforge.jar

    Get NeoForge

Most recently published release

1.1.1-fabricrelease4 Jun 2026

CobblemonShinyDays-1.1.1-fabric.jar · 0.8 MB · for 1.21.1 · Fabric

Download this release
849525753fff…
Older versions8
  • 1.1.1-neoforge18 Jun 20251.21.144 KB9.6k downloads949687cdf800…Get
  • 1.1.0-fabric30 May 20251.21.132 KB27.7k downloads9f72cbe7292a…Get
  • 1.1.0-neoforge30 May 20251.21.144 KB296 downloadsde8ae6fb31fe…Get
  • 1.0.2-neoforge26 Apr 20251.21.137 KB590 downloads8866714f7c3e…Get
  • 1.0.2-fabric26 Apr 20251.21.125 KB3.2k downloads30878371c4c8…Get
  • 1.0.1-fabric18 Apr 20251.21.120 KB400 downloads51584505044b…Get
  • 1.0.113 Apr 20251.21.131 KB190 downloads2902d3a7a278…Get
  • 1.012 Apr 20251.21.131 KB75 downloads84e5110520af…Get

Frequently asked

Does Cobblemon Shiny Days work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version Cobblemon Shiny Days declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Do I need to install Cobblemon Shiny Days on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

Which platform or loader does Cobblemon Shiny Days support?

Fabric, NeoForge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Cobblemon Shiny Days?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is Cobblemon Shiny Days under?

MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Cobblemon Shiny Days?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Cobblemon Shiny Days safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

Details from Modrinth, where the author last updated it on 4 Jun 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .