Ruling · Vyāsa Pūjā · 1925

Monday 6 July

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 36 minutes.

Decide it for

35°42′ N 51°25′ E · Asia/Tehran · GeoNames 112931

The two mornings

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

Morning of Sunday 5 July

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

04:49 sunrisethree muhūrtas on 07:43
04:2504:4905:1305:3706:0106:2506:4907:1307:3708:01

0 of 174 minutes covered

Morning of Monday 6 July

Taken. The only morning Pūrṇimā reaches.

04:49 sunrisethree muhūrtas on 07:43
04:2504:4905:1305:3706:0106:2506:4907:1307:3708:01

174 of 174 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 12:04 on Sun 5 Jul to 08:19 on Mon 6 Jul.

    1925-07-05T08:38:51Z → 1925-07-06T04:53:37Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 04:49–07:43 on the 5th, 04:49–07:43 on the 6th.

    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 174 minutes on the 5th and 174 of 174 on the 6th.

    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 2141 s

  5. 05

    Ruling

    Vyāsa Pūjā, Tehran, 1925: Monday 6 July.

    confidence: determinate

Say it like this

In Tehran, Vyāsa Pūjā 1925 falls on Monday 6 July. Pūrṇimā runs from 12:04 on Sun 5 Jul to 08:19 on Mon 6 Jul and covers all of the first three muhūrtas after sunrise that morning.

ahargana.org/tehran/festivals/1925/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 6 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 6 Jul
compat-drikpanchangComparison profileMon 6 Jul
No institution has a recorded ruling for Tehran.

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 5thCoveredSunrise 6thCoveredRuled
Los Angeles00:39 → 20:5404:47172 min04:470 min5 Jul
Chicago03:39 → 23:5405:21181 min05:220 min5 Jul
Jersey City04:39 → 00:5405:31180 min05:310 min5 Jul
Port of Spain04:39 → 00:5405:49153 min05:490 min5 Jul
London09:39 → 05:5404:500 min04:5163 min5 Jul
Durban10:39 → 06:5406:520 min06:522 min5 Jul
Dubai12:39 → 08:5405:340 min05:34164 min6 Jul
Delhi14:09 → 10:2405:280 min05:28167 min6 Jul
Kolkata14:09 → 10:2404:570 min04:57162 min6 Jul
Singapore15:39 → 11:5406:030 min06:03146 min6 Jul
Sydney18:39 → 14:5407:010 min07:01120 min6 Jul
Suva20:39 → 16:5406:390 min06:39133 min6 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

About Ahargaṇa