Ruling · Vasantotsava · 1990

Monday 12 March

Determinatein Puning, under the Rashtriya Panchang method. Clear of every threshold by 610 minutes.

Decide it for

23°19′ N 116°10′ E · Asia/Shanghai · GeoNames 1802940

The two sunrises

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

Sunrise of Monday 12 March

Taken. The only sunrise Pratipadā holds at.

06:28 sunrise
05:1605:4006:0406:2806:5207:1607:40

Holds at sunrise

Sunrise of Tuesday 13 March

Pratipadā does not hold at sunrise. Not taken.

06:27 sunrise
05:1505:3906:0306:2706:5107:1507:39

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 18:58 on Sun 11 Mar to 20:17 on Mon 12 Mar.

    1990-03-11T10:58:30Z → 1990-03-12T12:16:54Z

  2. 02

    Kāla

    Sunrise is at 06:28 on the 12th and 06:27 on the 13th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is on the 12th and is not on the 13th.

    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 36609 s

  5. 05

    Ruling

    Vasantotsava, Puning, 1990: Monday 12 March.

    confidence: determinate

Say it like this

In Puning, Vasantotsava 1990 falls on Monday 12 March. Pratipadā runs from 18:58 on Sun 11 Mar to 20:17 on Mon 12 Mar and is current at sunrise that day.

ahargana.org/puning/festivals/1990/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 12 Mar
Ahargaṇa, classicalDisc centre, no refractionMon 12 Mar
compat-drikpanchangComparison profileMon 12 Mar
No institution has a recorded ruling for Puning.

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 Angeles02:58 → 04:1706:09holds06:08no11 Mar
Chicago04:58 → 06:1706:10holds06:08holds11 Mar
Jersey City05:58 → 07:1706:15holds06:13holds11 Mar
Port of Spain06:58 → 08:1706:16no06:15holds12 Mar
London10:58 → 12:1706:25no06:23holds12 Mar
Durban12:58 → 14:1705:54no05:54holds12 Mar
Dubai14:58 → 16:1706:33no06:32holds12 Mar
Delhi16:28 → 17:4706:36no06:35holds12 Mar
Kolkata16:28 → 17:4705:50no05:49holds12 Mar
Singapore18:58 → 20:1707:12no07:12holds12 Mar
Sydney20:58 → 22:1705:51no05:52holds12 Mar
Suva22:58 → 00:1706:08no06:08holds12 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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