Morning of Saturday 19 July
Taken. Pūrṇimā reaches neither morning; this is the day it falls on.
06:03 sunrisethree muhūrtas on 08:54
05:3906:0306:2706:5107:1507:3908:0308:2708:5109:15
0 of 171 minutes covered
Ruling · Vyāsa Pūjā · 1997
Boundaryin Tehran, 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”.
One ghaṭī is 24 minutes. The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas.
Morning of Saturday 19 July
Taken. Pūrṇimā reaches neither morning; this is the day it falls on.
0 of 171 minutes covered
Morning of Sunday 20 July
Pūrṇimā holds for 107 of 171 minutes of the first three muhūrtas after sunrise, not all of it. Not taken.
107 of 171 minutes covered, the first 107
Aṅga
Pūrṇimā runs from 10:45 on Sat 19 Jul to 07:50 on Sun 20 Jul.
1997-07-19T06:15:25Z → 1997-07-20T03:20:17Z
Kāla
The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:03–08:54 on the 19th, 06:03–08:54 on the 20th.
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 0 of 171 minutes on the 19th and 107 of 171 on the 20th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102
Tie-break
Neither morning qualifies. The day the tithi falls on is taken.
priority: paraviddha → tithi-day · margin 3835 s
Ruling
Vyāsa Pūjā, Tehran, 1997: Saturday 19 July.
confidence: boundary (absent-unstated)
In Tehran, Vyāsa Pūjā 1997 falls on Saturday 19 July. Pūrṇimā runs from 10:45 on Sat 19 Jul to 07:50 on Sun 20 Jul, and reaches the first three muhūrtas after sunrise on neither day.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sat 19 Jul |
| Ahargaṇa, classical | Disc centre, no refraction | Sat 19 Jul |
| compat-drikpanchang | Comparison profile | Sat 19 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 19th | Covered | Sunrise 20th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 23:15 → 20:20 | 05:56 | 169 min | 05:56 | 0 min | 19 Jul |
| Chicago | 01:15 → 22:20 | 05:33 | 178 min | 05:33 | 0 min | 19 Jul |
| Jersey City | 02:15 → 23:20 | 05:42 | 176 min | 05:42 | 0 min | 19 Jul |
| Port of Spain | 02:15 → 23:20 | 05:53 | 152 min | 05:53 | 0 min | 19 Jul |
| London | 07:15 → 04:20 | 05:06 | 63 min | 05:07 | 0 min | 19 Jul |
| Durban | 08:15 → 05:20 | 06:49 | 39 min | 06:48 | 0 min | 19 Jul |
| Dubai | 10:15 → 07:20 | 05:40 | 0 min | 05:41 | 100 min | 19 Jul |
| Delhi | 11:45 → 08:50 | 05:35 | 0 min | 05:36 | 165 min | 20 Jul |
| Kolkata | 11:45 → 08:50 | 05:03 | 0 min | 05:03 | 160 min | 20 Jul |
| Singapore | 14:15 → 11:20 | 07:06 | 0 min | 07:06 | 146 min | 20 Jul |
| Sydney | 16:15 → 13:20 | 06:57 | 0 min | 06:56 | 122 min | 20 Jul |
| Suva | 18:15 → 15:20 | 06:38 | 0 min | 06:38 | 134 min | 20 Jul |