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Ruling · 1986 · Doha

Vasantotsava

Wednesday 26 March1986 · Doha, Baladiyat ad Dawhah, Qatar

Boundarymargin 29 min

In Doha, under the Rashtriya Panchang method. Pratipadā reaches sunrise on neither day and the rule does not say what then.

Decide it forDohaDelhiKolkataSingaporeSydneyJersey City25°17′ N 51°32′ E · Asia/Qatar · GeoNames 290030

The two sunrises सूर्योदय

One ghaṭī is 24 minutes

The sunrise is read as upper limb, 31′ + 16′.

Sunrise of Wednesday 26 March

Taken. Pratipadā reaches neither sunrise; this is the day it falls on.

05:32 sunrise
Pratipadā begins 06:01:47
04:2004:4405:0805:3205:5606:2006:44

Absent at sunrise

Sunrise of Thursday 27 March

Pratipadā does not hold at sunrise. Not taken.

05:31 sunrise
04:1904:4305:0705:3105:5506:1906:43

Absent at sunrise

Pratipadā presentSunrise, the instant the rule readsThe instant the tithi begins or ends

How it was decided निर्णय

  1. Step 1, Aṅga

    Pratipadā runs from 06:02 on Wed 26 Mar to 03:25 on Thu 27 Mar.

    1986-03-26T03:01:47Z → 1986-03-27T00:25:01Z
  2. Step 2, Kāla

    Sunrise is at 05:32 on the 26th and 05:31 on the 27th.

    sunrise: upper limb, 31′ + 16′
  3. Step 3, Rule

    Pratipadā must be current at sunrise. It is not on the 26th and is not on the 27th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
  4. Step 4, Tie-break

    Neither sunrise qualifies, and the source does not say what then. The day the tithi falls on is taken, as a boundary.

    no day qualifies → tithi-day, the ruleset's fallback · margin 1761 s
  5. Step 5, Ruling

    Vasantotsava, Doha, 1986: Wednesday 26 March.

    confidence: boundary (absent-unstated)

Say it like this

In Doha, Vasantotsava 1986 falls on Wednesday 26 March. Pratipadā runs from 06:02 on Wed 26 Mar to 03:25 on Thu 27 Mar, and is current at sunrise on neither day. The rule does not say what then; the day Pratipadā falls on is taken. The rule does not settle this date cleanly.

ahargana.org/doha/festivals/1986/vasantotsavapac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 26 Mar
Ahargaṇa, classicalDisc centre, no refractionWed 26 Mar
compat-drikpanchangComparison profileWed 26 Mar
No institution has a recorded ruling for Doha.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

vasantotsava · ruleset 2026.3-draft

Month
Phālguna, amānta
Pakṣa · aṅga
Kṛṣṇa · Pratipadā
Kāla
Sunrise
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

K 1 Vasantotsava (current at sunrise, if occurs on two successive days, it is to be observed on the first day). Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

twelve places, west to east · local clocks

PlacePratipadāSunrise 26thCoveredSunrise 27thCoveredRuled
Los Angeles19:02 → 16:2505:49holds05:48no26 Mar
Chicago21:02 → 18:2505:44holds05:43no26 Mar
Jersey City22:02 → 19:2505:50holds05:49no26 Mar
Port of Spain23:02 → 20:2506:07holds06:06no26 Mar
London03:02 → 00:2505:51holds05:48no26 Mar
Durban05:02 → 02:2506:03holds06:03no26 Mar
Dubai07:02 → 04:2506:17no06:16no26 Mar
Delhi08:32 → 05:5506:19no06:18no26 Mar
Kolkata08:32 → 05:5505:36no05:35holds27 Mar
Singapore11:02 → 08:2507:07no07:07holds27 Mar
Sydney13:02 → 10:2506:03no06:03holds27 Mar
Suva15:02 → 12:2506:11no06:12holds27 Mar
This ruling as JSON · ICS
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vasantotsava@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s