Ruling · Vyāsa Pūjā · 1902

Sunday 20 July

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 201 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 Sunday 20 July

Taken. The only morning Pūrṇimā reaches.

04:05 sunrisethree muhūrtas on 07:10
03:4104:2905:1706:0506:5307:41

184 of 184 minutes covered

Morning of Monday 21 July

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

04:06 sunrisethree muhūrtas on 07:10
03:4204:3005:1806:0606:5407:42

0 of 184 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 23:02 on Sat 19 Jul to 00:45 on Mon 21 Jul.

    1902-07-19T15:01:32Z → 1902-07-20T16:45:02Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:05–07:10 on the 20th, 04:06–07:10 on the 21st.

    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 184 of 184 minutes on the 20th and 0 of 184 on the 21st.

    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 12082 s

  5. 05

    Ruling

    Vyāsa Pūjā, Daqing, 1902: Sunday 20 July.

    confidence: determinate

Say it like this

In Daqing, Vyāsa Pūjā 1902 falls on Sunday 20 July. Pūrṇimā runs from 23:02 on Sat 19 Jul to 00:45 on Mon 21 Jul and covers all of the first three muhūrtas after sunrise that morning.

ahargana.org/daqing/festivals/1902/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 20 Jul
compat-drikpanchangComparison profileSun 20 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 19thCoveredSunrise 20thCoveredRuled
Los Angeles07:02 → 08:4504:5543 min04:55169 min20 Jul
Chicago09:02 → 10:4504:310 min04:32178 min20 Jul
Jersey City10:02 → 11:4504:400 min04:41176 min20 Jul
Port of Spain11:02 → 12:4505:520 min05:52152 min20 Jul
London15:02 → 16:4504:050 min04:06192 min20 Jul
Durban16:32 → 18:1506:190 min06:19125 min20 Jul
Dubai18:43 → 20:2605:200 min05:21162 min20 Jul
Delhi20:23 → 22:0605:260 min05:26165 min20 Jul
Kolkata20:23 → 22:0604:530 min04:53160 min20 Jul
Singapore21:57 → 23:4006:000 min06:00146 min20 Jul
Sydney01:02 → 02:4506:570 min06:57122 min20 Jul
Suva02:57 → 04:4006:330 min06:33134 min20 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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