Ecliptic Seasons

🍂 Ecliptic Seasons

A seasonal environment mod inspired by the 24 Solar Terms.

Spring rain drifting across distant fields.

Long summer days filled with the sound of insects.

Autumn forests slowly turning gold and red.

Snow quietly gathering during the longest nights of winter.

Ecliptic Seasons is a standalone seasonal environment mod inspired by the traditional Chinese 24 Solar Terms.

Rather than treating seasons as a simple switch between spring, summer, autumn, and winter, the year is divided into twenty-four distinct periods. Weather, temperature, daylight length, vegetation, agriculture, wildlife, sounds, particles, and environmental atmosphere all evolve alongside the passing seasons.

Our goal is simple:

Make Minecraft feel like a world where time truly passes.

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🎬 Showcase

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Supported Game Versions

Minecraft Version	Status
26.1+ (NeoForge 26.x)	In Development
1.21.1	Continued Support
1.20.1	Continued Support

Status

• In Development
  Receives new features, gameplay changes, bug fixes, and compatibility updates.

• Continued Support
  Receives bug fixes, compatibility updates, and localization improvements only.

🌱 Feel the Seasons

The world follows a complete cycle of four seasons and twenty-four solar terms.

Instead of abrupt transitions, the environment changes gradually throughout the year.

• Dynamic seasonal progression
• Twenty-four solar terms
• Seasonal daylight length
• Long summer days and long winter nights
• Smooth seasonal transitions

As the year progresses, the world naturally transforms around you.

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🌦 Dynamic Weather & Snow

Weather is no longer limited to vanilla Minecraft's predictable patterns.

Different seasons have different weather tendencies, creating a more varied and believable climate.

Features include:

• Seasonal weather probabilities
• Continuous rain and snowfall
• Dynamic snow accumulation
• Temperature-based melting
• Snow scenery system
• Optional vanilla snow layer support

Snow no longer appears instantly when winter begins. Instead, it gradually forms and retreats with the climate.

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🌾 Agriculture, Humidity & Ecology

The environment affects more than appearance.

Crop growth can depend on both season and humidity.

• Seasonal crop growth
• Humidity-based agriculture
• Greenhouse support
• Seasonal wildlife behavior
• Ecological interactions

Farming in a desert can feel completely different from farming in a temperate forest.

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🍂 Seasonal Atmosphere

Ecliptic Seasons focuses heavily on atmosphere.

The seasonal timeline can drive:

• Seasonal sounds
• Ambient effects
• Particles
• Foliage colors
• Block appearance changes
• Seasonal models
• Resource-pack-driven music

Listen to birds during spring mornings.

Watch leaves drift through autumn forests.

Experience the quiet stillness of a snowy winter landscape.

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🔧 Data-Driven by Design

The mod is designed around flexibility and customization.

Players, server owners, modpack creators, and resource pack authors can tailor the experience to their needs.

Features include:

• Extensive configuration options
• Resource pack support
• Datapack support
• Seasonal customization
• Server synchronization
• Modpack-friendly design

Nearly every major feature can be adjusted through configuration files.

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🌍 Ecosystem

Ecliptic Seasons is primarily developed for NeoForge, while also providing a native Fabric implementation.

Platforms

• NeoForge / Forge — Ecliptic Seasons
• Fabric — Ecliptic Seasons : Fabricated

Additional Projects

To better support modpacks and seasonal gameplay, several companion projects are available:

• Serene Seasons API Stub Bridge Compatibility layer for mods that depend on the Serene Seasons API.

• Ecliptic Seasons: MultiMod Patch Modular compatibility patches and integrations for supported mods.

• Ecliptic Seasons: Bundles Seasonal datapacks, resource packs, integrations, and optional content.

The mod also maintains compatibility with many Serene Seasons tags, helping existing content integrate more easily into seasonal gameplay.

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📝 Compatibility

The mod is naturally compatible with most content mods.

Some rendering mods require dedicated compatibility support to display seasonal colors, snow scenery, foliage changes, and other visual effects correctly.

Minecraft 1.21+

• Sodium
• Iris Shaders
• Distant Horizons
• Voxy Compatibility Plugin

Minecraft 1.20

• Embeddium
• Oculus
• Distant Horizons
• OptiFine

More compatibility information can be found in the documentation:

https://ecliptic-seasons.readthedocs.io/en/latest/en/

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📖 Documentation

Wiki:

https://ecliptic-seasons.readthedocs.io/en/latest/en/

GitHub:

https://github.com/joe-vettek/Ecliptic-Seasons

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❓ FAQ

Can I use this mod in my modpack?

Yes. You may include Ecliptic Seasons in your modpack and customize it as needed.

Please provide proper credit and read changelogs before updating, as some releases may contain breaking changes.

Is there a Fabric version?

Yes.

https://www.curseforge.com/minecraft/mc-mods/ecliptic-seasons-fabricated

Will this mod be backported?

Older Minecraft versions often lack systems that Ecliptic Seasons depends on. Backports are generally not planned.

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🌾 Credits

The primary artwork of Ecliptic Seasons was created by YunFei, with most of the remaining visual work completed by Aerolite_Dust.

Special thanks to the TeaCon community for testing, profiling, reviewing, and improving the mod.

Performance profiling is powered by JProfiler.

Special thanks to everyone who contributed feedback, testing, inspiration, sponsorship, and support throughout the development of the project.

Join our channel: https://discord.com/invite/RCxe9qt4ka