Ruling · Vyāsa Pūjā · 2003

Sunday 13 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 Sunday 13 July

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

05:03 sunrisethree muhūrtas on 08:00
Pūrṇimā begins 05:50:36
04:3905:0305:2705:5106:1506:3907:0307:2707:5108:15

129 of 176 minutes covered, the last 129

Morning of Monday 14 July

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

05:04 sunrisethree muhūrtas on 08:00
04:4005:0405:2805:5206:1606:4007:0407:2807:5208:16

0 of 176 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 05:51 on Sun 13 Jul to 03:21 on Mon 14 Jul.

    2003-07-12T21:50:37Z → 2003-07-13T19:21:24Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:03–08:00 on the 13th, 05:04–08:00 on the 14th.

    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 129 of 176 minutes on the 13th and 0 of 176 on the 14th.

    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 2832 s

  5. 05

    Ruling

    Vyāsa Pūjā, Baoding, 2003: Sunday 13 July.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Vyāsa Pūjā 2003 falls on Sunday 13 July. Pūrṇimā runs from 05:51 on Sun 13 Jul to 03:21 on Mon 14 Jul, and reaches the first three muhūrtas after sunrise on neither day.

ahargana.org/baoding/festivals/2003/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 13 Jul
compat-drikpanchangComparison profileSun 13 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 12thCoveredSunrise 13thCoveredRuled
Los Angeles14:51 → 12:2105:510 min05:52171 min13 Jul
Chicago16:51 → 14:2105:260 min05:27180 min13 Jul
Jersey City17:51 → 15:2105:360 min05:36178 min13 Jul
Port of Spain17:51 → 15:2105:510 min05:51152 min13 Jul
London22:51 → 20:2104:570 min04:58195 min13 Jul
Durban23:51 → 21:2106:510 min06:51124 min13 Jul
Dubai01:51 → 23:2105:370 min05:37163 min13 Jul
Delhi03:21 → 00:5105:310 min05:32166 min13 Jul
Kolkata03:21 → 00:5105:000 min05:00161 min13 Jul
Singapore05:51 → 03:2107:050 min07:05146 min13 Jul
Sydney07:51 → 05:2107:000 min06:5969 min13 Jul
Suva09:51 → 07:2106:390 min06:390 min13 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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