Ruling · Vyāsa Pūjā · 1901

Monday 1 July

Boundaryin Baoding, under the Rashtriya Panchang method. Pūrṇimā reaches the first three muhūrtas after sunrise on neither day and the rule does not say what then. Say “contested”.

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 Monday 1 July

Taken. Pūrṇimā reaches neither morning; this is the day it falls on.

04:56 sunrisethree muhūrtas on 07:54
Pūrṇimā begins 06:35:24
04:3204:5605:2005:4406:0806:3206:5607:2007:4408:08

79 of 178 minutes covered, the last 79

Morning of Tuesday 2 July

Pūrṇimā holds for 141 of 178 minutes of the first three muhūrtas after sunrise, not all of it. Not taken.

04:56 sunrisethree muhūrtas on 07:55
Pūrṇimā ends 07:17:37
04:3204:5605:2005:4406:0806:3206:5607:2007:4408:08

141 of 178 minutes covered, the first 141

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 06:35 on Mon 1 Jul to 07:18 on Tue 2 Jul.

    1901-06-30T22:35:24Z → 1901-07-01T23:17:38Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:56–07:54 on the 1st, 04:56–07:55 on the 2nd.

    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 79 of 178 minutes on the 1st and 141 of 178 on the 2nd.

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

  4. 04

    Tie-break

    Neither morning qualifies. The day the tithi falls on is taken.

    priority: paraviddha → tithi-day · margin 2215 s

  5. 05

    Ruling

    Vyāsa Pūjā, Baoding, 1901: Monday 1 July.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Vyāsa Pūjā 1901 falls on Monday 1 July. Pūrṇimā runs from 06:35 on Mon 1 Jul to 07:18 on Tue 2 Jul, and reaches the first three muhūrtas after sunrise on neither day.

ahargana.org/baoding/festivals/1901/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 1 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 1 Jul
compat-drikpanchangComparison profileMon 1 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 1stCoveredRuled
Los Angeles14:35 → 15:1804:450 min04:45173 min1 Jul
Chicago16:35 → 17:1804:190 min04:19182 min1 Jul
Jersey City17:35 → 18:1804:280 min04:28180 min1 Jul
Port of Spain18:35 → 19:1805:470 min05:48153 min1 Jul
London22:35 → 23:1803:460 min03:47199 min1 Jul
Durban00:05 → 00:4806:220 min06:22123 min1 Jul
Dubai02:16 → 02:5905:130 min05:13164 min1 Jul
Delhi03:56 → 04:3905:170 min05:17167 min1 Jul
Kolkata03:56 → 04:3904:460 min04:46162 min1 Jul
Singapore05:30 → 06:1305:570 min05:57146 min1 Jul
Sydney08:35 → 09:1807:010 min07:0125 min2 Jul
Suva10:30 → 11:1306:330 min06:330 min2 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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