Ruling · Vasantotsava · 1939

Monday 6 March

Determinatein Luanda, under the Rashtriya Panchang method. Clear of every threshold by 574 minutes.

Decide it for

8°50′ S 13°14′ E · Africa/Luanda · GeoNames 2240449

The two sunrises

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

Sunrise of Sunday 5 March

Pratipadā does not hold at sunrise. Not taken.

06:12 sunrise
05:0005:2405:4806:1206:3607:0007:24

Absent at sunrise

Sunrise of Monday 6 March

Taken. The only sunrise Pratipadā holds at.

06:12 sunrise
05:0005:2405:4806:1206:3607:0007:24

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 19:00 on Sun 5 Mar to 15:45 on Mon 6 Mar.

    1939-03-05T18:00:23Z → 1939-03-06T14:45:27Z

  2. 02

    Kāla

    Sunrise is at 06:12 on the 5th and 06:12 on the 6th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 5th and is on the 6th.

    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 34422 s

  5. 05

    Ruling

    Vasantotsava, Luanda, 1939: Monday 6 March.

    confidence: determinate

Say it like this

In Luanda, Vasantotsava 1939 falls on Monday 6 March. Pratipadā runs from 19:00 on Sun 5 Mar to 15:45 on Mon 6 Mar and is current at sunrise that day.

ahargana.org/luanda/festivals/1939/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 6 Mar
Ahargaṇa, classicalDisc centre, no refractionMon 6 Mar
compat-drikpanchangComparison profileMon 6 Mar
No institution has a recorded ruling for Luanda.

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 5thCoveredSunrise 6thCoveredRuled
Los Angeles10:00 → 06:4506:18no06:17holds6 Mar
Chicago12:00 → 08:4506:21no06:19holds6 Mar
Jersey City13:00 → 09:4506:26no06:24holds6 Mar
Port of Spain14:00 → 10:4506:19no06:19holds6 Mar
London18:00 → 14:4506:40no06:37holds6 Mar
Durban20:00 → 16:4505:49no05:50holds6 Mar
Dubai22:00 → 18:4506:39no06:38holds6 Mar
Delhi23:30 → 20:1506:44no06:42holds6 Mar
Kolkata23:30 → 20:1505:56no05:55holds6 Mar
Singapore01:20 → 22:0506:34no06:34holds6 Mar
Sydney04:00 → 00:4505:46no05:46holds6 Mar
Suva06:00 → 02:4506:06no06:07holds6 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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