Ruling · Vasantotsava · 1961

Thursday 2 March

Determinatein Phoenix, under the Rashtriya Panchang method. Clear of every threshold by 21 minutes.

Decide it for

33°27′ N 112°04′ W · America/Phoenix · GeoNames 5308655

The two sunrises

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

Sunrise of Thursday 2 March

Taken. Both sunrises qualify; the rule takes the first.

06:56 sunrise
Pratipadā begins 06:34:38
05:4406:0806:3206:5607:2007:4408:08

Holds at sunrise

Sunrise of Friday 3 March

Pratipadā holds at sunrise here too. Not taken.

06:55 sunrise
05:4306:0706:3106:5507:1907:4308:07

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 06:35 on Thu 2 Mar to 08:16 on Fri 3 Mar.

    1961-03-02T13:34:39Z → 1961-03-03T15:16:12Z

  2. 02

    Kāla

    Sunrise is at 06:56 on the 2nd and 06:55 on the 3rd.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is on the 2nd and is on the 3rd.

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

  4. 04

    Tie-break

    Both sunrises qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1268 s

  5. 05

    Ruling

    Vasantotsava, Phoenix, 1961: Thursday 2 March.

    confidence: determinate

Say it like this

In Phoenix, Vasantotsava 1961 falls on Thursday 2 March. Pratipadā runs from 06:35 on Thu 2 Mar to 08:16 on Fri 3 Mar and is current at sunrise that day.

ahargana.org/phoenix/festivals/1961/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 2 Mar
Ahargaṇa, classicalDisc centre, no refractionThu 2 Mar
compat-drikpanchangComparison profileThu 2 Mar
No institution has a recorded ruling for Phoenix.

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 2ndCoveredSunrise 3rdCoveredRuled
Los Angeles05:35 → 07:1606:21holds06:20holds2 Mar
Chicago07:35 → 09:1606:25no06:23holds3 Mar
Jersey City08:35 → 10:1606:29no06:28holds3 Mar
Port of Spain09:35 → 11:1606:21no06:20holds3 Mar
London13:35 → 15:1606:45no06:42holds3 Mar
Durban15:35 → 17:1605:48no05:48holds3 Mar
Dubai17:35 → 19:1606:41no06:40holds3 Mar
Delhi19:05 → 20:4606:46no06:45holds3 Mar
Kolkata19:05 → 20:4605:58no05:57holds3 Mar
Singapore21:05 → 22:4606:44no06:44holds3 Mar
Sydney23:35 → 01:1605:44no05:44holds3 Mar
Suva01:35 → 03:1606:06no06:06holds3 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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