Ruling · Vasantotsava · 2024

Tuesday 26 March

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 567 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 25 March

Pratipadā does not hold at sunrise. Not taken.

05:33 sunrise
04:2104:4505:0905:3305:5706:2106:45

Absent at sunrise

Sunrise of Tuesday 26 March

Taken. The only sunrise Pratipadā holds at.

05:32 sunrise
04:2004:4405:0805:3205:5606:2006:44

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 15:00 on Mon 25 Mar to 17:26 on Tue 26 Mar.

    2024-03-25T07:00:20Z → 2024-03-26T09:26:04Z

  2. 02

    Kāla

    Sunrise is at 05:33 on the 25th and 05:32 on the 26th.

    sunrise: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be current at sunrise. It is not on the 25th and is on the 26th.

    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 34011 s

  5. 05

    Ruling

    Vasantotsava, Daqing, 2024: Tuesday 26 March.

    confidence: determinate

Say it like this

In Daqing, Vasantotsava 2024 falls on Tuesday 26 March. Pratipadā runs from 15:00 on Mon 25 Mar to 17:26 on Tue 26 Mar and is current at sunrise that day.

ahargana.org/daqing/festivals/2024/vasantotsava · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 26 Mar
Ahargaṇa, classicalDisc centre, no refractionTue 26 Mar
compat-drikpanchangComparison profileTue 26 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 25thCoveredSunrise 26thCoveredRuled
Los Angeles00:00 → 02:2606:49holds06:48no25 Mar
Chicago02:00 → 04:2606:45holds06:43no25 Mar
Jersey City03:00 → 05:2606:51holds06:49no25 Mar
Port of Spain03:00 → 05:2606:07holds06:07no25 Mar
London07:00 → 09:2605:51no05:49holds26 Mar
Durban09:00 → 11:2606:03no06:03holds26 Mar
Dubai11:00 → 13:2606:18no06:17holds26 Mar
Delhi12:30 → 14:5606:19no06:18holds26 Mar
Kolkata12:30 → 14:5605:36no05:35holds26 Mar
Singapore15:00 → 17:2607:07no07:07holds26 Mar
Sydney18:00 → 20:2607:02no07:03holds26 Mar
Suva19:00 → 21:2606:11no06:12holds26 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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