Ruling · Vyāsa Pūjā · 2027

Sunday 18 July

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 517 minutes.

Decide it for

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two mornings

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

Morning of Sunday 18 July

Taken. The only morning Pūrṇimā reaches.

05:51 sunrisethree muhūrtas on 08:32
05:2705:5106:1506:3907:0307:2707:5108:1508:3909:03

161 of 161 minutes covered

Morning of Monday 19 July

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

05:52 sunrisethree muhūrtas on 08:32
05:2805:5206:1606:4007:0407:2807:5208:1608:4009:04

0 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 18:49 on Sat 17 Jul to 21:15 on Sun 18 Jul.

    2027-07-17T13:18:39Z → 2027-07-18T15:44:56Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:51–08:32 on the 18th, 05:52–08:32 on the 19th.

    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 161 of 161 minutes on the 18th and 0 of 161 on the 19th.

    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 31013 s

  5. 05

    Ruling

    Vyāsa Pūjā, Ujjain, 2027: Sunday 18 July.

    confidence: determinate

Say it like this

In Ujjain, Vyāsa Pūjā 2027 falls on Sunday 18 July. Pūrṇimā runs from 18:49 on Sat 17 Jul to 21:15 on Sun 18 Jul and covers all of the first three muhūrtas after sunrise that morning.

ahargana.org/ujjain/festivals/2027/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 18 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 18 Jul
compat-drikpanchangComparison profileSun 18 Jul
No institution has a recorded ruling for Ujjain.

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 17thCoveredSunrise 18thCoveredRuled
Los Angeles06:19 → 08:4505:54146 min05:55170 min18 Jul
Chicago08:19 → 10:4505:3110 min05:32178 min18 Jul
Jersey City09:19 → 11:4505:400 min05:41177 min18 Jul
Port of Spain09:19 → 11:4505:520 min05:52152 min18 Jul
London14:19 → 16:4505:030 min05:05193 min18 Jul
Durban15:19 → 17:4506:500 min06:49125 min18 Jul
Dubai17:19 → 19:4505:390 min05:40162 min18 Jul
Delhi18:49 → 21:1505:340 min05:35165 min18 Jul
Kolkata18:49 → 21:1505:020 min05:02160 min18 Jul
Singapore21:19 → 23:4507:050 min07:05146 min18 Jul
Sydney23:19 → 01:4506:580 min06:57122 min18 Jul
Suva01:19 → 03:4506:380 min06:38134 min18 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