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Baha'i Season Finder

Baha'i Season Finder — a free browser tool for dates under the Baha'i calendar: year 1 = 1844 CE (Naw-Rúz ≈ 21 March).

  • Instant, accurate results.

Inputs

Pick from the date picker — shown in your device's date order (day/month/year)

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How it works

Baha'i Season Finder for the bahai calendar

Enter the date values and the tool computes the result for the bahai calendar system.

  1. 1

    Step 1

    Enter your date in the Baha'i calendar: day, month, and year.

  2. 2

    Step 2

    We apply the Baha'i epoch and leap rules — year 1 = 1844 CE (Naw-Rúz ≈ 21 March).

  3. 3

    Step 3

    Read the result exact to the day — Baha'i leap years (365–366 days) applied automatically.

Use Cases

Season of a Baha'i date

Map any Baha'i date to its astronomical season; because the system drifts against the solar cycle differently from Gregorian, season boundaries are computed for the actual date rather than carried over from a Gregorian table.

Cross-check Baha'i against Gregorian

Compare a Baha'i date with its Gregorian counterpart only after converting it, never by comparing raw day or year numbers, because the two systems start from different epochs and count leap years on different cycles.

Tips

  • 1

    This Baha'i Season Finder follows Baha'i calendar rules — its own epoch, month lengths, and leap years — so the result can differ from a Gregorian-based calculation of the same date; treat the calendar system as part of the input.

  • 2

    Watch century boundaries and very old dates in the Baha'i system: historical calendars dropped or added days when they were adopted, which is invisible in daily use but material for long-range historical calculations here.

  • 3

    Leap rules differ between the calendars behind Baha'i, so a span that looks like whole years in one system can land a day or two off in another; trust the converted result rather than a fixed mental offset.

Common Mistakes

  • Intercalation is system-private: the Baha'i year runs 365–366 days because leap months follow rules no other calendar shares, so a Gregorian every-fourth-year reflex misreads baha'i dates. Let the tool apply the baha'i rule to a season lookup.

  • Leap rules differ between the Baha'i calendar and the simplified school shortcut, so filters like “divisible by 4” are not enough. Let the tool apply the baha'i intercalation rule to the actual year you entered.

FAQs

Why does baha'i season finder differ from an app?

Some apps apply local sighting or regional adjustments (±1 day); this tool uses the Baha'i arithmetic standard — year 1 = 1844 CE (Naw-Rúz ≈ 21 March).

Is baha'i season finder free to use?

Yes — 100% free and instant in your browser.

How accurate is the result of baha'i season finder?

It applies the Baha'i calendar's arithmetic exactly — 19 months × 19 days (361 days) plus 4–5 intercalary days; year 1 = 1844 CE (Naw-Rúz ≈ 21 March).

Which calendar systems does baha'i season finder support?

The site covers 14 systems — Gregorian, Hijri, Coptic, Hebrew, Persian, Julian and more — each with its own epoch and leap rules.