Ruling · Vasantotsava · 1993

Tuesday 9 March

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 464 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 Monday 8 March

Pratipadā does not hold at sunrise. Not taken.

06:08 sunrise
04:5605:2005:4406:0806:3206:5607:20

Absent at sunrise

Sunrise of Tuesday 9 March

Taken. The only sunrise Pratipadā holds at.

06:06 sunrise
04:5405:1805:4206:0606:3006:5407:18

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 17:46 on Mon 8 Mar to 13:49 on Tue 9 Mar.

    1993-03-08T09:45:53Z → 1993-03-09T05:49:16Z

  2. 02

    Kāla

    Sunrise is at 06:08 on the 8th and 06:06 on the 9th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 8th and is on the 9th.

    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 27817 s

  5. 05

    Ruling

    Vasantotsava, Daqing, 1993: Tuesday 9 March.

    confidence: determinate

Say it like this

In Daqing, Vasantotsava 1993 falls on Tuesday 9 March. Pratipadā runs from 17:46 on Mon 8 Mar to 13:49 on Tue 9 Mar and is current at sunrise that day.

ahargana.org/daqing/festivals/1993/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 9 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 9 Mar
compat-drikpanchangComparison profileTue 9 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 8thCoveredSunrise 9thCoveredRuled
Los Angeles01:46 → 21:4906:13holds06:11no8 Mar
Chicago03:46 → 23:4906:14holds06:13no8 Mar
Jersey City04:46 → 00:4906:19holds06:18no8 Mar
Port of Spain05:46 → 01:4906:17holds06:17no8 Mar
London09:46 → 05:4906:31no06:29no8 Mar
Durban11:46 → 07:4905:52no05:52holds9 Mar
Dubai13:46 → 09:4906:35no06:34holds9 Mar
Delhi15:16 → 11:1906:39no06:38holds9 Mar
Kolkata15:16 → 11:1905:52no05:51holds9 Mar
Singapore17:46 → 13:4907:13no07:13holds9 Mar
Sydney19:46 → 15:4905:49no05:50holds9 Mar
Suva21:46 → 17:4906:07no06:08holds9 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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