Drop-In Time & Event System for Unreal Engine
World Manager is a lightweight Blueprint system that adds world time, day/night states, and global events to your project — without heavy sky frameworks or complex setup.
Place one actor in your level and your world becomes time-aware.
Key Features
World Time
Configurable day length
Adjustable real-time to in-game time ratio
Custom start time
Normalized time value
Day & Night States
Automatic detection of:
Morning
Midday
Evening
Night
Simple IsDay state
Events fire only on state changes
Lighting Support
Directional Light rotation driven by time
Light color & intensity controlled via curves
Skylight support
Designed for movable lighting
Event System
World Manager broadcasts world state changes through a clean Blueprint interface.
Other actors can react to:
Time updates
Day/Night transitions
New day events
No hard dependencies. No complex setup.
Example Content
The project includes simple example actors to demonstrate usage:
Lights reacting to day/night
Ambient sounds based on time
A simple in-game clock
These assets are examples only and can be removed or replaced.
Designed For
Fast prototyping
Time-driven gameplay systems
Environment logic
Simulation & sandbox projects
Developers who want clean, extendable systems
Summary
World Manager provides a central authority for world time and events.
Instead of hard-coding behavior everywhere, systems can simply react to the world.
Simple to use. Easy to extend.
World Manager Update is Live!
Dynamic Moonlight support
Automatic Sky Atmosphere integration
Automatic Exponential Height Fog integration
Curve-driven environment settings
Improved day & night visuals
Better defaults and an improved workflow
Various fixes and overall improvements
World Manager now integrates seamlessly with Visual Manager through the new Directional Light Override, allowing both systems to work together while keeping world logic and visual management cleanly separated.