Ruling · Vasantotsava · 1961

Friday 3 March

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 419 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two sunrises

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

Sunrise of Friday 3 March

Taken. The only sunrise Pratipadā holds at.

06:17 sunrise
05:0505:2905:5306:1706:4107:0507:29

Holds at sunrise

Sunrise of Saturday 4 March

Pratipadā does not hold at sunrise. Not taken.

06:16 sunrise
05:0405:2805:5206:1606:4007:0407:28

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 21:35 on Thu 2 Mar to 23:16 on Fri 3 Mar.

    1961-03-02T13:34:39Z → 1961-03-03T15:16:12Z

  2. 02

    Kāla

    Sunrise is at 06:17 on the 3rd and 06:16 on the 4th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

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

    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 25164 s

  5. 05

    Ruling

    Vasantotsava, Daqing, 1961: Friday 3 March.

    confidence: determinate

Say it like this

In Daqing, Vasantotsava 1961 falls on Friday 3 March. Pratipadā runs from 21:35 on Thu 2 Mar to 23:16 on Fri 3 Mar and is current at sunrise that day.

ahargana.org/daqing/festivals/1961/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 3 Mar
Ahargaṇa, classicalDisc centre, no refractionFri 3 Mar
compat-drikpanchangComparison profileFri 3 Mar
No institution has a recorded ruling for Daqing.

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 2ndCoveredSunrise 3rdCoveredRuled
Los Angeles05:35 → 07:1606:21holds06:20holds2 Mar
Chicago07:35 → 09:1606:25no06:23holds3 Mar
Jersey City08:35 → 10:1606:29no06:28holds3 Mar
Port of Spain09:35 → 11:1606:21no06:20holds3 Mar
London13:35 → 15:1606:45no06:42holds3 Mar
Durban15:35 → 17:1605:48no05:48holds3 Mar
Dubai17:35 → 19:1606:41no06:40holds3 Mar
Delhi19:05 → 20:4606:46no06:45holds3 Mar
Kolkata19:05 → 20:4605:58no05:57holds3 Mar
Singapore21:05 → 22:4606:44no06:44holds3 Mar
Sydney23:35 → 01:1605:44no05:44holds3 Mar
Suva01:35 → 03:1606:06no06:06holds3 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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