Ruling · Vyāsa Pūjā · 1997

Sunday 20 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 197 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 Saturday 19 July

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

05:08 sunrisethree muhūrtas on 08:03
04:4405:0805:3205:5606:2006:4407:0807:3207:5608:20

0 of 174 minutes covered

Morning of Sunday 20 July

Taken. The only morning Pūrṇimā reaches.

05:09 sunrisethree muhūrtas on 08:03
04:4505:0905:3305:5706:2106:4507:0907:3307:5708:21

174 of 174 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 14:15 on Sat 19 Jul to 11:20 on Sun 20 Jul.

    1997-07-19T06:15:25Z → 1997-07-20T03:20:17Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:08–08:03 on the 19th, 05:09–08:03 on the 20th.

    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 174 minutes on the 19th and 174 of 174 on the 20th.

    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 11834 s

  5. 05

    Ruling

    Vyāsa Pūjā, Baoding, 1997: Sunday 20 July.

    confidence: determinate

Say it like this

In Baoding, Vyāsa Pūjā 1997 falls on Sunday 20 July. Pūrṇimā runs from 14:15 on Sat 19 Jul to 11:20 on Sun 20 Jul and covers all of the first three muhūrtas after sunrise that morning.

ahargana.org/baoding/festivals/1997/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 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 19thCoveredSunrise 20thCoveredRuled
Los Angeles23:15 → 20:2005:56169 min05:560 min19 Jul
Chicago01:15 → 22:2005:33178 min05:330 min19 Jul
Jersey City02:15 → 23:2005:42176 min05:420 min19 Jul
Port of Spain02:15 → 23:2005:53152 min05:530 min19 Jul
London07:15 → 04:2005:0663 min05:070 min19 Jul
Durban08:15 → 05:2006:4939 min06:480 min19 Jul
Dubai10:15 → 07:2005:400 min05:41100 min19 Jul
Delhi11:45 → 08:5005:350 min05:36165 min20 Jul
Kolkata11:45 → 08:5005:030 min05:03160 min20 Jul
Singapore14:15 → 11:2007:060 min07:06146 min20 Jul
Sydney16:15 → 13:2006:570 min06:56122 min20 Jul
Suva18:15 → 15:2006:380 min06:38134 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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