Ruling · Vyāsa Pūjā · 2011

Friday 15 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 453 minutes.

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 Thursday 14 July

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

04:00 sunrisethree muhūrtas on 07:06
03:3604:2405:1206:0006:4807:36

0 of 186 minutes covered

Morning of Friday 15 July

Taken. The only morning Pūrṇimā reaches.

04:01 sunrisethree muhūrtas on 07:07
03:3704:2505:1306:0106:4907:37

186 of 186 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 15:15 on Thu 14 Jul to 14:40 on Fri 15 Jul.

    2011-07-14T07:14:48Z → 2011-07-15T06:39:37Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:00–07:06 on the 14th, 04:01–07:07 on the 15th.

    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 0 of 186 minutes on the 14th and 186 of 186 on the 15th.

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

  4. 04

    Tie-break

    Only one morning qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 27152 s

  5. 05

    Ruling

    Vyāsa Pūjā, Daqing, 2011: Friday 15 July.

    confidence: determinate

Say it like this

In Daqing, Vyāsa Pūjā 2011 falls on Friday 15 July. Pūrṇimā runs from 15:15 on Thu 14 Jul to 14:40 on Fri 15 Jul and covers all of the first three muhūrtas after sunrise that morning.

ahargana.org/daqing/festivals/2011/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 15 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 15 Jul
compat-drikpanchangComparison profileFri 15 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 14thCoveredSunrise 15thCoveredRuled
Los Angeles00:15 → 23:4005:52171 min05:530 min14 Jul
Chicago02:15 → 01:4005:28179 min05:290 min14 Jul
Jersey City03:15 → 02:4005:37178 min05:380 min14 Jul
Port of Spain03:15 → 02:4005:51152 min05:520 min14 Jul
London08:15 → 07:4005:000 min05:01159 min14 Jul
Durban09:15 → 08:4006:510 min06:50109 min14 Jul
Dubai11:15 → 10:4005:380 min05:38163 min15 Jul
Delhi12:45 → 12:1005:330 min05:33166 min15 Jul
Kolkata12:45 → 12:1005:000 min05:01161 min15 Jul
Singapore15:15 → 14:4007:050 min07:05146 min15 Jul
Sydney17:15 → 16:4006:590 min06:59121 min15 Jul
Suva19:15 → 18:4006:390 min06:38134 min15 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

About Ahargaṇa