Chronologia is a macOS calendar for exploring historical dates, comparing calendar systems, and working with historical events.

This section documents the app’s user interface. It is being prepared alongside the app and will be expanded with annotated screenshots.

In this guide

• Interface overview: Learn the main areas of the Chronologia window.
• Navigate calendars: Move through time and change the calendar display.
• Search: Find dates, feast expressions, rulers, consuls, and enabled historical events.
• Astronomical events: Understand seasons, Moon phases, eclipses, and the solar-eclipse map.
• Work with event packs: Show, create, import, edit, and reload collections of events.
• Work with events: View event details and create or edit personal events.

Documentation status: The written instructions reflect the current macOS interface. Screenshots will be added later.