Ruling · Vasantotsava · 1956

Monday 26 March

Determinatein Phoenix, under the Rashtriya Panchang method. Clear of every threshold by 13 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 Monday 26 March

Taken. The only sunrise Pratipadā holds at.

06:24 sunrise
Pratipadā begins 06:11:06
05:1205:3606:0006:2406:4807:1207:36

Holds at sunrise

Sunrise of Tuesday 27 March

Pratipadā does not hold at sunrise. Not taken.

06:23 sunrise
05:1105:3505:5906:2306:4707:1107:35

Absent 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 06:11 on Mon 26 Mar to 05:03 on Tue 27 Mar.

    1956-03-26T13:11:07Z → 1956-03-27T12:03:29Z

  2. 02

    Kāla

    Sunrise is at 06:24 on the 26th and 06:23 on the 27th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

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

    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 777 s

  5. 05

    Ruling

    Vasantotsava, Phoenix, 1956: Monday 26 March.

    confidence: determinate

Say it like this

In Phoenix, Vasantotsava 1956 falls on Monday 26 March. Pratipadā runs from 06:11 on Mon 26 Mar to 05:03 on Tue 27 Mar and is current at sunrise that day.

ahargana.org/phoenix/festivals/1956/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 26 Mar
Ahargaṇa, classicalDisc centre, no refractionMon 26 Mar
compat-drikpanchangComparison profileMon 26 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 26thCoveredSunrise 27thCoveredRuled
Los Angeles05:11 → 04:0305:49holds05:47no26 Mar
Chicago07:11 → 06:0305:44no05:42holds27 Mar
Jersey City08:11 → 07:0305:50no05:48holds27 Mar
Port of Spain09:11 → 08:0306:07no06:06holds27 Mar
London13:11 → 12:0305:50no05:48holds27 Mar
Durban15:11 → 14:0306:03no06:04holds27 Mar
Dubai17:11 → 16:0306:17no06:16holds27 Mar
Delhi18:41 → 17:3306:19no06:18holds27 Mar
Kolkata18:41 → 17:3305:36no05:35holds27 Mar
Singapore20:41 → 19:3306:37no06:37holds27 Mar
Sydney23:11 → 22:0306:03no06:04holds27 Mar
Suva01:11 → 00:0306:12no06:12holds27 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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