Ruling · Vasantotsava · 1944

Friday 10 March

Determinatein Phoenix, under the Rashtriya Panchang method. Clear of every threshold by 641 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 9 March

Pratipadā does not hold at sunrise. Not taken.

06:47 sunrise
05:3505:5906:2306:4707:1107:3507:59

Absent at sunrise

Sunrise of Friday 10 March

Taken. The only sunrise Pratipadā holds at.

06:46 sunrise
05:3405:5806:2206:4607:1007:3407:58

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 17:28 on Thu 9 Mar to 19:45 on Fri 10 Mar.

    1944-03-10T00:27:37Z → 1944-03-11T02:45:02Z

  2. 02

    Kāla

    Sunrise is at 06:47 on the 9th and 06:46 on the 10th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 9th and is on the 10th.

    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 38448 s

  5. 05

    Ruling

    Vasantotsava, Phoenix, 1944: Friday 10 March.

    confidence: determinate

Say it like this

In Phoenix, Vasantotsava 1944 falls on Friday 10 March. Pratipadā runs from 17:28 on Thu 9 Mar to 19:45 on Fri 10 Mar and is current at sunrise that day.

ahargana.org/phoenix/festivals/1944/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 10 Mar
Ahargaṇa, classicalDisc centre, no refractionFri 10 Mar
compat-drikpanchangComparison profileFri 10 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 10thCoveredSunrise 11thCoveredRuled
Los Angeles17:28 → 19:4507:10holds07:09no10 Mar
Chicago19:28 → 21:4507:11holds07:10no10 Mar
Jersey City20:28 → 22:4507:17holds07:15no10 Mar
Port of Spain21:28 → 23:4507:16holds07:16no10 Mar
London01:28 → 03:4507:27holds07:24no10 Mar
Durban03:28 → 05:4506:53holds06:54no10 Mar
Dubai04:28 → 06:4506:34holds06:33holds10 Mar
Delhi06:58 → 09:1507:37holds07:36holds10 Mar
Kolkata06:58 → 09:1506:51no06:50holds11 Mar
Singapore09:28 → 11:4508:12no08:12holds11 Mar
Sydney11:28 → 13:4506:50no06:51holds11 Mar
Suva12:28 → 14:4506:08no06:08holds11 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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