Ruling · Vyāsa Pūjā · 1980

Sunday 27 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 31 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two mornings

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

Morning of Sunday 27 July

Taken. The only morning Pūrṇimā reaches.

05:15 sunrisethree muhūrtas on 08:07
04:5105:1505:3906:0306:2706:5107:1507:3908:0308:27

172 of 172 minutes covered

Morning of Monday 28 July

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

05:16 sunrisethree muhūrtas on 08:07
04:5205:1605:4006:0406:2806:5207:1607:4008:0408:28

0 of 171 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 04:43 on Sun 27 Jul to 02:54 on Mon 28 Jul.

    1980-07-26T20:43:16Z → 1980-07-27T18:53:38Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:15–08:07 on the 27th, 05:16–08:07 on the 28th.

    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 172 of 172 minutes on the 27th and 0 of 171 on the 28th.

    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 1887 s

  5. 05

    Ruling

    Vyāsa Pūjā, Baoding, 1980: Sunday 27 July.

    confidence: determinate

Say it like this

In Baoding, Vyāsa Pūjā 1980 falls on Sunday 27 July. Pūrṇimā runs from 04:43 on Sun 27 Jul to 02:54 on Mon 28 Jul and covers all of the first three muhūrtas after sunrise that morning.

ahargana.org/baoding/festivals/1980/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 27 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 27 Jul
compat-drikpanchangComparison profileSun 27 Jul
No institution has a recorded ruling for Baoding.

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 26thCoveredSunrise 27thCoveredRuled
Los Angeles13:43 → 11:5406:000 min06:01167 min27 Jul
Chicago15:43 → 13:5405:390 min05:40175 min27 Jul
Jersey City16:43 → 14:5405:480 min05:49174 min27 Jul
Port of Spain16:43 → 14:5405:540 min05:54151 min27 Jul
London21:43 → 19:5405:160 min05:17188 min27 Jul
Durban22:43 → 20:5406:450 min06:45127 min27 Jul
Dubai00:43 → 22:5405:430 min05:44160 min27 Jul
Delhi02:13 → 00:2405:390 min05:40163 min27 Jul
Kolkata02:13 → 00:2405:060 min05:06159 min27 Jul
Singapore04:13 → 02:2406:360 min06:36146 min27 Jul
Sydney06:43 → 04:5406:520 min06:52124 min27 Jul
Suva08:43 → 06:5406:360 min06:367 min27 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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