Ruling · Vyāsa Pūjā · 2017

Sunday 9 July

Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 5 min 29 s.

Decide it for

22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733

The two mornings

One ghaṭī is 24 minutes. The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas.

Morning of Saturday 8 July

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

05:15 sunrisethree muhūrtas on 07:56
Pūrṇimā begins 08:01:27
04:5105:1505:3906:0306:2706:5107:1507:3908:0308:27

0 of 161 minutes covered

Morning of Sunday 9 July

Taken. The only morning Pūrṇimā reaches.

05:15 sunrisethree muhūrtas on 07:56
04:5105:1505:3906:0306:2706:5107:1507:3908:0308:27

161 of 161 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 08:01 on Sat 8 Jul to 10:07 on Sun 9 Jul.

    2017-07-08T02:01:27Z → 2017-07-09T04:06:34Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:15–07:56 on the 8th, 05:15–07:56 on the 9th.

    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 161 minutes on the 8th and 161 of 161 on the 9th.

    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 329 s

  5. 05

    Ruling

    Vyāsa Pūjā, Chattogram, 2017: Sunday 9 July.

    confidence: determinate

Say it like this

In Chattogram, Vyāsa Pūjā 2017 falls on Sunday 9 July. Pūrṇimā runs from 08:01 on Sat 8 Jul to 10:07 on Sun 9 Jul and covers all of the first three muhūrtas after sunrise that morning.

ahargana.org/chattogram/festivals/2017/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 9 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 9 Jul
compat-drikpanchangComparison profileSun 9 Jul
No institution has a recorded ruling for Chattogram.

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 8thCoveredSunrise 9thCoveredRuled
Los Angeles19:01 → 21:0705:49172 min05:500 min8 Jul
Chicago21:01 → 23:0705:24181 min05:250 min8 Jul
Jersey City22:01 → 00:0705:33179 min05:340 min8 Jul
Port of Spain22:01 → 00:0705:50153 min05:500 min8 Jul
London03:01 → 05:0704:54197 min04:5512 min8 Jul
Durban04:01 → 06:0706:52124 min06:520 min8 Jul
Dubai06:01 → 08:0705:35137 min05:36151 min8 Jul
Delhi07:31 → 09:3705:3045 min05:30166 min9 Jul
Kolkata07:31 → 09:3704:588 min04:59161 min9 Jul
Singapore10:01 → 12:0707:040 min07:04146 min9 Jul
Sydney12:01 → 14:0707:000 min07:00120 min9 Jul
Suva14:01 → 16:0706:390 min06:39133 min9 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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