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Redmoon Calculators
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Fantasy Calendar Generator & Date Converter

Generatore gratuito di calendario fantasy / D&D. Definisci un anno personalizzato e converti durate reali in date fittizie.

Quando usarlo

Use whenever you need to "jump ahead" in your worldbuilt timeline. Particularly handy when characters travel for weeks and you need to know what day it is when they arrive.

Confronto

Tools like Fantasy Calendar and Realm Manager have richer features but require accounts. This is a zero-login quick converter.

Enter your values below. Calculations run locally as you type.

Come funziona

You define the world's "rules of time" — months, days per month, days per week — and the calendar generator builds a printable grid for any month.

The converter takes a starting day-of-year and a number of days to add, then computes the target month, day, weekday, and how many years have advanced.

No login or sync — your custom calendar is saved in your browser only.

Domande frequenti

Does it support leap years?

The current build computes simple year cycles. For leap rules, add the extra day(s) to your year length manually.

Can I save my calendar?

Your calendar settings are saved in your browser locally. Sharing across devices isn't supported yet.

Why define a custom week length and not just use seven days?

Fictional worlds often use weeks of five, eight, or ten days to feel distinct from Earth's. The generator lets you set the week length so the printable grid wraps correctly and weekday names line up with your lore.

How do I convert a real-world duration into an in-world date?

Enter your campaign's starting fictional date and the number of real days elapsed, and the tool adds them across your custom month and leap-year rules. This keeps in-world dates accurate even when your months differ in length from real ones.

Esempio pratico

Input

10 months × 40 days = 400 day year. 8-day week. Story day 1, add 142 days.

Output

Month 4, day 22 — weekday 6.

Day 1 + 142 days = day 143. With 40-day months, that's month 4 (days 121–160) and day 23 — minus 1 because day 121 is month 4's day 1.

Errori comuni

  • Doesn't support leap years yet — manually add days for cycles.
  • Weekday count assumes day 1 is weekday 1.
  • No moon-phase or holiday tracking (planned).

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