Ruling · Vasantotsava · 2085

Sunday 11 March

Determinatein Phoenix, under the Rashtriya Panchang method. Clear of every threshold by 6 min 14 s.

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 Sunday 11 March

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

06:43 sunrise
05:3105:5506:1906:4307:0707:3107:55

Holds at sunrise

Sunrise of Monday 12 March

Pratipadā holds at sunrise here too. Not taken.

06:42 sunrise
Pratipadā ends 06:48:09
05:3005:5406:1806:4207:0607:3007:54

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 05:27 on Sun 11 Mar to 06:48 on Mon 12 Mar.

    2085-03-11T12:27:03Z → 2085-03-12T13:48:10Z

  2. 02

    Kāla

    Sunrise is at 06:43 on the 11th and 06:42 on the 12th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is on the 11th and is on the 12th.

    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 374 s

  5. 05

    Ruling

    Vasantotsava, Phoenix, 2085: Sunday 11 March.

    confidence: determinate

Say it like this

In Phoenix, Vasantotsava 2085 falls on Sunday 11 March. Pratipadā runs from 05:27 on Sun 11 Mar to 06:48 on Mon 12 Mar and is current at sunrise that day.

ahargana.org/phoenix/festivals/2085/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 11 Mar
Ahargaṇa, classicalDisc centre, no refractionSun 11 Mar
compat-drikpanchangComparison profileSun 11 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 11thCoveredSunrise 12thCoveredRuled
Los Angeles05:27 → 06:4807:08holds07:07no11 Mar
Chicago07:27 → 08:4807:08no07:07holds12 Mar
Jersey City08:27 → 09:4807:14no07:12holds12 Mar
Port of Spain08:27 → 09:4806:15no06:15holds12 Mar
London12:27 → 13:4806:23no06:20holds12 Mar
Durban14:27 → 15:4805:54no05:55holds12 Mar
Dubai16:27 → 17:4806:32no06:31holds12 Mar
Delhi17:57 → 19:1806:35no06:34holds12 Mar
Kolkata17:57 → 19:1805:49no05:48holds12 Mar
Singapore20:27 → 21:4807:12no07:12holds12 Mar
Sydney23:27 → 00:4806:52no06:53holds12 Mar
Suva00:27 → 01:4806:08no06:09holds12 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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