CQCalendar Studio

CQCalendar Studio is a standalone desktop tool for creating, editing, and exporting fully customizable calendar, time, weekday, and lunar systems for games, simulations, and worldbuilding projects.

The underlying CQCalendar engine is a free, open-source Python library available on GitHub, while CQCalendar Studio provides a polished graphical interface for authoring and managing calendar presets without manually editing JSON files.

Features

• Visual editor for time, date, and calendar systems
• Fully customizable months and weekdays
• Configurable lunar cycles with editable moon phases
• Day/night cycle configuration with custom night hours
• Robust JSON import and export for reusable presets
• Standalone executable — no Python installation required

Ideal for

• Game developers building custom time systems
• Simulation and sandbox projects
• Fantasy and sci-fi worldbuilding
• Modding tools and procedural systems

Output

CQCalendar Studio exports clean, structured JSON presets compatible with the free CQCalendar Python library, allowing seamless integration into your own projects or engines.