ModsJava
Accurate day/night-cycles Mod (B3MReload)
Advanced time control and calendar system for Minecraft 1.21.1. Control day/night cycle speed, track years and dates, with full Serene Seasons integration.
⬇ Download on ModrinthB3MReload
A Minecraft mod for NeoForge 1.21.1 that provides advanced time control and calendar system.
Features
Time Control
- Adjustable Time Speed: Control day/night cycle speed without affecting mob spawning, player actions, or crop growth
- Time Multiplier: Range from -20.0 to 72.0 (negative values speed up time, positive values slow it down)
- System Time Sync: Optional real-time synchronization
Calendar System
- Custom Calendar: Track years starting from year 1000 with 365 days per year
- Configurable Start Date: Set custom starting date for new worlds
- Day Tracking: Monitor total days, current year, and day of year
Serene Seasons Integration
- Automatic Season Control: Seasons change based on B3M calendar
- Season Calculation: - Spring: Days 1-91 (0-25%) - Summer: Days 92-182 (25-50%) - Autumn: Days 183-273 (50-75%) - Winter: Days 274-365 (75-100%)
- Sub-seasons: Early, mid, and late phases for each season
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- 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 Modrinth — 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 b3mreload-1.0.2.jar — drop this file into the mods folder
- Download size: 21 KB
- Download link checked 10 Sept 2026 — working
These come from our own check of the pack file, not from the source page.