Ruling · Vyāsa Pūjā · 2074

Sunday 8 July

Boundaryin Daqing, under the Rashtriya Panchang method. Pūrṇimā reaches the first three muhūrtas after sunrise on neither day and the rule does not say what then. Say “contested”.

Decide it for

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

The two mornings

One ghaṭī is 24 minutes. The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas.

Morning of Sunday 8 July

Taken. Pūrṇimā reaches neither morning; this is the day it falls on.

03:56 sunrisethree muhūrtas on 07:04
Pūrṇimā begins 04:01:50
03:3204:2005:0805:5606:4407:32

182 of 188 minutes covered, the last 182

Morning of Monday 9 July

Pūrṇimā is absent from the first three muhūrtas after sunrise. Not taken.

03:57 sunrisethree muhūrtas on 07:04
03:3304:2105:0905:5706:4507:33

0 of 187 minutes covered

Pūrṇimā presentThe first three muhūrtas after sunrise, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 04:02 on Sun 8 Jul to 01:06 on Mon 9 Jul.

    2074-07-07T20:01:51Z → 2074-07-08T17:06:00Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 03:56–07:04 on the 8th, 03:57–07:04 on the 9th.

    udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 182 of 188 minutes on the 8th and 0 of 187 on the 9th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Neither morning qualifies. The day the tithi falls on is taken.

    priority: paraviddha → tithi-day · margin 336 s

  5. 05

    Ruling

    Vyāsa Pūjā, Daqing, 2074: Sunday 8 July.

    confidence: boundary (absent-unstated)

Say it like this

In Daqing, Vyāsa Pūjā 2074 falls on Sunday 8 July. Pūrṇimā runs from 04:02 on Sun 8 Jul to 01:06 on Mon 9 Jul, and reaches the first three muhūrtas after sunrise on neither day.

ahargana.org/daqing/festivals/2074/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 8 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 8 Jul
compat-drikpanchangComparison profileSun 8 Jul
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/vyasa-puja · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
The first three muhūrtas after sunrise
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāSunrise 7thCoveredSunrise 8thCoveredRuled
Los Angeles13:02 → 10:0605:490 min05:50172 min8 Jul
Chicago15:02 → 12:0605:240 min05:25181 min8 Jul
Jersey City16:02 → 13:0605:330 min05:34179 min8 Jul
Port of Spain16:02 → 13:0605:500 min05:50153 min8 Jul
London21:02 → 18:0604:540 min04:54196 min8 Jul
Durban22:02 → 19:0606:520 min06:52124 min8 Jul
Dubai00:02 → 21:0605:350 min05:36163 min8 Jul
Delhi01:32 → 22:3605:300 min05:30166 min8 Jul
Kolkata01:32 → 22:3604:580 min04:59161 min8 Jul
Singapore04:02 → 01:0607:040 min07:04146 min8 Jul
Sydney06:02 → 03:0607:010 min07:01120 min8 Jul
Suva08:02 → 05:0606:390 min06:3950 min8 Jul
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vyasa-puja@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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