Ruling · Vasantotsava · 1923

Saturday 3 March

Boundaryin Riyadh, under the Rashtriya Panchang method. Pratipadā reaches sunrise on neither day and the rule does not say what then. Say “contested”.

Decide it for

24°41′ N 46°43′ E · Asia/Riyadh · GeoNames 108410

The two sunrises

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

Sunrise of Saturday 3 March

Taken. Pratipadā reaches neither sunrise; this is the day it falls on.

06:21 sunrise
Pratipadā begins 06:30:15
05:0905:3305:5706:2106:4507:0907:33

Absent at sunrise

Sunrise of Sunday 4 March

Pratipadā does not hold at sunrise. Not taken.

06:20 sunrise
05:0805:3205:5606:2006:4407:0807:32

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 06:29 on Sat 3 Mar to 03:09 on Sun 4 Mar.

    1923-03-03T03:23:23Z → 1923-03-04T00:02:35Z

  2. 02

    Kāla

    Sunrise is at 06:21 on the 3rd and 06:20 on the 4th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 3rd and is not on the 4th.

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

  4. 04

    Tie-break

    Neither sunrise qualifies. The day the tithi falls on is taken.

    priority: purvaviddha → tithi-day · margin 481 s

  5. 05

    Ruling

    Vasantotsava, Riyadh, 1923: Saturday 3 March.

    confidence: boundary (absent-unstated)

Say it like this

In Riyadh, Vasantotsava 1923 falls on Saturday 3 March. Pratipadā runs from 06:29 on Sat 3 Mar to 03:09 on Sun 4 Mar, and is current at sunrise on neither day.

ahargana.org/riyadh/festivals/1923/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 3 Mar
Ahargaṇa, classicalDisc centre, no refractionSat 3 Mar
compat-drikpanchangComparison profileSat 3 Mar
No institution has a recorded ruling for Riyadh.

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 3rdCoveredSunrise 4thCoveredRuled
Los Angeles19:23 → 16:0306:21holds06:19no3 Mar
Chicago21:23 → 18:0306:24holds06:23no3 Mar
Jersey City22:23 → 19:0306:29holds06:28no3 Mar
Port of Spain23:23 → 20:0306:21holds06:20no3 Mar
London03:23 → 00:0306:44holds06:42no3 Mar
Durban05:23 → 02:0305:48holds05:49no3 Mar
Dubai07:23 → 04:0306:41no06:40no3 Mar
Delhi08:53 → 05:3306:46no06:45no3 Mar
Kolkata08:53 → 05:3305:58no05:57no3 Mar
Singapore10:23 → 07:0306:14no06:14holds4 Mar
Sydney13:23 → 10:0305:44no05:45holds4 Mar
Suva15:23 → 12:0306:06no06:06holds4 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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