Ruling · Vyāsa Pūjā · 2078

Sunday 24 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 24 July

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

05:13 sunrisethree muhūrtas on 08:06
Pūrṇimā begins 06:31:11
04:4905:1305:3706:0106:2506:4907:1307:3708:0108:25

94 of 173 minutes covered, the last 94

Morning of Monday 25 July

Pūrṇimā holds for 54 of 172 minutes of the first three muhūrtas after sunrise, not all of it. Not taken.

05:14 sunrisethree muhūrtas on 08:06
Pūrṇimā ends 06:08:07
04:5005:1405:3806:0206:2606:5007:1407:3808:0208:26

54 of 172 minutes covered, the first 54

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 06:31 on Sun 24 Jul to 06:08 on Mon 25 Jul.

    2078-07-23T22:31:12Z → 2078-07-24T22:08:08Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:13–08:06 on the 24th, 05:14–08:06 on the 25th.

    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 94 of 173 minutes on the 24th and 54 of 172 on the 25th.

    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 3261 s

  5. 05

    Ruling

    Vyāsa Pūjā, Baoding, 2078: Sunday 24 July.

    confidence: boundary (absent-unstated)

Say it like this

In Baoding, Vyāsa Pūjā 2078 falls on Sunday 24 July. Pūrṇimā runs from 06:31 on Sun 24 Jul to 06:08 on Mon 25 Jul, and reaches the first three muhūrtas after sunrise on neither day.

ahargana.org/baoding/festivals/2078/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 24 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 24 Jul
compat-drikpanchangComparison profileSun 24 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 23rdCoveredSunrise 24thCoveredRuled
Los Angeles15:31 → 15:0805:590 min06:00168 min24 Jul
Chicago17:31 → 17:0805:370 min05:38176 min24 Jul
Jersey City18:31 → 18:0805:460 min05:47175 min24 Jul
Port of Spain18:31 → 18:0805:540 min05:54152 min24 Jul
London23:31 → 23:0805:120 min05:14189 min24 Jul
Durban00:31 → 00:0806:470 min06:46127 min24 Jul
Dubai02:31 → 02:0805:430 min05:43161 min24 Jul
Delhi04:01 → 03:3805:380 min05:39164 min24 Jul
Kolkata04:01 → 03:3805:050 min05:05159 min24 Jul
Singapore06:31 → 06:0807:060 min07:06146 min24 Jul
Sydney08:31 → 08:0806:550 min06:5426 min24 Jul
Suva10:31 → 10:0806:370 min06:370 min25 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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