Ruling · Vyāsa Pūjā · 2015

Friday 31 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 467 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 Friday 31 July

Taken. The only morning Pūrṇimā reaches.

05:18 sunrisethree muhūrtas on 08:08
04:5405:1805:4206:0606:3006:5407:1807:4208:0608:30

171 of 171 minutes covered

Morning of Saturday 1 August

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

05:19 sunrisethree muhūrtas on 08:09
04:5505:1905:4306:0706:3106:5507:1907:4308:0708:31

0 of 170 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 21:31 on Thu 30 Jul to 18:43 on Fri 31 Jul.

    2015-07-30T13:30:51Z → 2015-07-31T10:42:54Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:18–08:08 on the 31st, 05:19–08:09 on the 1st.

    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 171 of 171 minutes on the 31st and 0 of 170 on the 1st.

    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 28022 s

  5. 05

    Ruling

    Vyāsa Pūjā, Baoding, 2015: Friday 31 July.

    confidence: determinate

Say it like this

In Baoding, Vyāsa Pūjā 2015 falls on Friday 31 July. Pūrṇimā runs from 21:31 on Thu 30 Jul to 18:43 on Fri 31 Jul and covers all of the first three muhūrtas after sunrise that morning.

ahargana.org/baoding/festivals/2015/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 31 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 31 Jul
compat-drikpanchangComparison profileFri 31 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 30thCoveredSunrise 31stCoveredRuled
Los Angeles06:31 → 03:4306:03139 min06:040 min30 Jul
Chicago08:31 → 05:4305:435 min05:440 min30 Jul
Jersey City09:31 → 06:4305:510 min05:5251 min30 Jul
Port of Spain09:31 → 06:4305:550 min05:5548 min30 Jul
London14:31 → 11:4305:210 min05:22186 min31 Jul
Durban15:31 → 12:4306:430 min06:42128 min31 Jul
Dubai17:31 → 14:4305:450 min05:46160 min31 Jul
Delhi19:01 → 16:1305:410 min05:42162 min31 Jul
Kolkata19:01 → 16:1305:070 min05:08158 min31 Jul
Singapore21:31 → 18:4307:060 min07:06146 min31 Jul
Sydney23:31 → 20:4306:500 min06:49125 min31 Jul
Suva01:31 → 22:4306:350 min06:34135 min31 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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