A modern, lightweight fantasy calendar for Foundry VTT v12, v13 and v14.
Built natively on ApplicationV2, with zero external dependencies.
Built-in calendars:
- Gregorian (Earth)
- Calendar of Harptos (Forgotten Realms / D&D 5e)
- Greyhawk Common Year
- Fully custom calendars via a simple JSON definition
Features:
- Date notes with GM-only visibility
- Dynamic daily weather generated from world climate and current season,
posted to chat with coherent day-to-day temperature drift
- Bidirectional time controls (left-click advances, right-click rewinds):
±1m, ±10m, ±30m, ±1h, ±8h, ±1d
- Exact date jumping
- Automatic time advancement on D&D 5e short rests (+1h) and long rests (+8h)
- Optional per-round advancement for systems without CONFIG.time.roundTime
- Live sync across all connected clients
- Public API and hooks (ggCalendar.dayChanged, ggCalendar.timeAdvanced)
for macros and other modules
- Localized in English and Spanish
Designed as a modern, actively maintained alternative for tables
upgrading to Foundry v13 and v14.