Calendar Setup

Calendars are central to MythTapestry’s timeline features. Setting one up early means all your events, temporal fields, and date references will use the correct system from the start.

When calendars are introduced

At the end of the world creation wizard (the success step), you’re offered the option to set up a calendar. This is one of three calls-to-action on the success screen, alongside creating your first entity and exploring your world.

You don’t have to set up a calendar immediately — you can always create one later from Management > Calendars in the world sidebar.

Why calendars matter

If your world has custom months, non-standard year lengths, or unique time-keeping:

• Entity temporal fields use the calendar to store and display dates
• Relationship temporal context (valid from / valid to) references calendar dates
• World events and holidays are positioned on the calendar timeline
• Content units can have narrative timestamps tied to the calendar
• Graph temporal controls filter the knowledge graph by calendar dates

Tip

If your world uses a standard Earth-like calendar, the Gregorian preset gives you a fully configured calendar in seconds — 12 months, 7-day weeks, leap years, and multiple format strings included.

Calendar presets

MythTapestry provides three starting points when creating a calendar:

Preset	What you get
Gregorian	12 months (Jan–Dec), 7-day weeks, leap year rules, 5 format strings, hours/minutes/seconds
Lunar	12 lunar months (29.5 days each), 4-phase moon cycle overlay, 2 format strings
Custom	Empty canvas — build your calendar from scratch

The Gregorian preset is designed for near-instant setup. The custom option is for worlds with entirely original time-keeping systems.

Next steps

• Creating Calendars — the full guide to temporal scales, intercalation, and formatting
• World Events — one-time events, holidays, and recurring patterns