Ruling · Vyāsa Pūjā · 1981
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 16 minutes.
One ghaṭī is 24 minutes. The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas.
Morning of Thursday 16 July
Pūrṇimā holds for 37 of 172 minutes of the first three muhūrtas after sunrise, not all of it. Not taken.
37 of 172 minutes covered, the last 37
Morning of Friday 17 July
Taken. The only morning Pūrṇimā reaches.
172 of 172 minutes covered
Aṅga
Pūrṇimā runs from 07:16 on Thu 16 Jul to 08:09 on Fri 17 Jul.
1981-07-16T03:45:33Z → 1981-07-17T04:38:49Z
Kāla
The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 05:00–07:52 on the 16th, 05:01–07:53 on the 17th.
udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 37 of 172 minutes on the 16th and 172 of 172 on the 17th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102
Tie-break
Only one morning qualifies. No tie-break is needed.
priority: paraviddha → only-day · margin 963 s
Ruling
Vyāsa Pūjā, Tehran, 1981: Friday 17 July.
confidence: determinate
In Tehran, Vyāsa Pūjā 1981 falls on Friday 17 July. Pūrṇimā runs from 07:16 on Thu 16 Jul to 08:09 on Fri 17 Jul and covers all of the first three muhūrtas after sunrise that morning.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 17 Jul |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 17 Jul |
| compat-drikpanchang | Comparison profile | Fri 17 Jul |
| No institution has a recorded ruling for Tehran. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/vyasa-puja · ruleset 2026.3-draft
“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.
Twelve places, west to east. Local clock times.
| Place | Pūrṇimā | Sunrise 16th | Covered | Sunrise 17th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 20:46 → 21:39 | 05:54 | 170 min | 05:54 | 0 min | 16 Jul |
| Chicago | 22:46 → 23:39 | 05:30 | 179 min | 05:31 | 0 min | 16 Jul |
| Jersey City | 23:46 → 00:39 | 05:39 | 177 min | 05:40 | 0 min | 16 Jul |
| Port of Spain | 23:46 → 00:39 | 05:52 | 152 min | 05:52 | 0 min | 16 Jul |
| London | 04:46 → 05:39 | 05:02 | 194 min | 05:03 | 35 min | 16 Jul |
| Durban | 05:46 → 06:39 | 06:50 | 125 min | 06:49 | 0 min | 16 Jul |
| Dubai | 07:46 → 08:39 | 05:39 | 35 min | 05:39 | 162 min | 17 Jul |
| Delhi | 09:16 → 10:09 | 05:34 | 0 min | 05:34 | 165 min | 17 Jul |
| Kolkata | 09:16 → 10:09 | 05:01 | 0 min | 05:02 | 160 min | 17 Jul |
| Singapore | 11:16 → 12:09 | 06:35 | 0 min | 06:35 | 146 min | 17 Jul |
| Sydney | 13:46 → 14:39 | 06:58 | 0 min | 06:58 | 121 min | 17 Jul |
| Suva | 15:46 → 16:39 | 06:38 | 0 min | 06:38 | 134 min | 17 Jul |