Ruling · Vasantotsava · 2067

Wednesday 2 March

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 98 minutes.

Decide it for

35°42′ N 51°25′ E · Asia/Tehran · GeoNames 112931

The two sunrises

One ghaṭī is 24 minutes. The sunrise is read as upper limb, 31′ + 16′.

Sunrise of Tuesday 1 March

Pratipadā does not hold at sunrise. Not taken.

06:35 sunrise
05:2305:4706:1106:3506:5907:2307:47

Absent at sunrise

Sunrise of Wednesday 2 March

Taken. The only sunrise Pratipadā holds at.

06:34 sunrise
05:2205:4606:1006:3406:5807:2207:46

Holds at sunrise

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

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 08:13 on Tue 1 Mar to 09:27 on Wed 2 Mar.

    2067-03-01T04:42:41Z → 2067-03-02T05:57:03Z

  2. 02

    Kāla

    Sunrise is at 06:35 on the 1st and 06:34 on the 2nd.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 1st and is on the 2nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

    Only one sunrise qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 5870 s

  5. 05

    Ruling

    Vasantotsava, Tehran, 2067: Wednesday 2 March.

    confidence: determinate

Say it like this

In Tehran, Vasantotsava 2067 falls on Wednesday 2 March. Pratipadā runs from 08:13 on Tue 1 Mar to 09:27 on Wed 2 Mar and is current at sunrise that day.

ahargana.org/tehran/festivals/2067/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 2 Mar
Ahargaṇa, classicalDisc centre, no refractionWed 2 Mar
compat-drikpanchangComparison profileWed 2 Mar
No institution has a recorded ruling for Tehran.

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

The rule, as data

/rules/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 clock times.

PlacePratipadāSunrise 1stCoveredSunrise 2ndCoveredRuled
Los Angeles20:43 → 21:5706:22holds06:20no1 Mar
Chicago22:43 → 23:5706:26holds06:24no1 Mar
Jersey City23:43 → 00:5706:30holds06:29no1 Mar
Port of Spain00:43 → 01:5706:21holds06:20no1 Mar
London04:43 → 05:5706:46holds06:44no1 Mar
Durban06:43 → 07:5705:47no05:48holds2 Mar
Dubai08:43 → 09:5706:42no06:41holds2 Mar
Delhi10:13 → 11:2706:47no06:46holds2 Mar
Kolkata10:13 → 11:2705:58no05:58holds2 Mar
Singapore12:43 → 13:5707:15no07:14holds2 Mar
Sydney15:43 → 16:5706:43no06:44holds2 Mar
Suva16:43 → 17:5706:05no06:06holds2 Mar
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vasantotsava@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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