Ruling · Vasantotsava · 2083

Friday 5 March

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 418 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 Thursday 4 March

Pratipadā does not hold at sunrise. Not taken.

06:15 sunrise
05:0305:2705:5106:1506:3907:0307:27

Absent at sunrise

Sunrise of Friday 5 March

Taken. The only sunrise Pratipadā holds at.

06:13 sunrise
05:0105:2505:4906:1306:3707:0107:25

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 15:36 on Thu 4 Mar to 13:11 on Fri 5 Mar.

    2083-03-04T07:35:57Z → 2083-03-05T05:10:58Z

  2. 02

    Kāla

    Sunrise is at 06:15 on the 4th and 06:13 on the 5th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 4th and is on the 5th.

    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 25077 s

  5. 05

    Ruling

    Vasantotsava, Daqing, 2083: Friday 5 March.

    confidence: determinate

Say it like this

In Daqing, Vasantotsava 2083 falls on Friday 5 March. Pratipadā runs from 15:36 on Thu 4 Mar to 13:11 on Fri 5 Mar and is current at sunrise that day.

ahargana.org/daqing/festivals/2083/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 5 Mar
Ahargaṇa, classicalDisc centre, no refractionFri 5 Mar
compat-drikpanchangComparison profileFri 5 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 4thCoveredSunrise 5thCoveredRuled
Los Angeles23:36 → 21:1106:18holds06:17no4 Mar
Chicago01:36 → 23:1106:21holds06:19no4 Mar
Jersey City02:36 → 00:1106:26holds06:24no4 Mar
Port of Spain03:36 → 01:1106:19holds06:19no4 Mar
London07:36 → 05:1106:39no06:37no4 Mar
Durban09:36 → 07:1105:49no05:50holds5 Mar
Dubai11:36 → 09:1106:39no06:38holds5 Mar
Delhi13:06 → 10:4106:44no06:42holds5 Mar
Kolkata13:06 → 10:4105:56no05:55holds5 Mar
Singapore15:36 → 13:1107:14no07:14holds5 Mar
Sydney18:36 → 16:1106:46no06:47holds5 Mar
Suva19:36 → 17:1106:06no06:07holds5 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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