Evening of Wednesday 23 December
Taken. The only evening Pūrṇimā reaches.
17:47 sunsetpradoṣa ends 19:33
17:2317:4718:1118:3518:5919:2319:47
106 of 106 minutes covered
Ruling · Dattātreyotpatti (Dattātreya Jayantī) · 2026
Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 419 minutes.
One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.
Evening of Wednesday 23 December
Taken. The only evening Pūrṇimā reaches.
106 of 106 minutes covered
Evening of Thursday 24 December
Pūrṇimā is absent from pradoṣa. Not taken.
0 of 106 minutes covered
Aṅga
Pūrṇimā runs from 10:48 on Wed 23 Dec to 06:58 on Thu 24 Dec.
2026-12-23T05:17:36Z → 2026-12-24T01:28:14Z
Kāla
Pradoṣa is 2 muhūrtas after sunset: 17:47–19:33 on the 23rd, 17:47–19:34 on the 24th.
pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during pradoṣa. It covers 106 of 106 minutes on the 23rd and 0 of 106 on the 24th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Only one evening qualifies. No tie-break is needed.
priority: unstated → only-day · margin 25161 s
Ruling
Dattātreyotpatti, Ujjain, 2026: Wednesday 23 December.
confidence: determinate
In Ujjain, Dattātreyotpatti (Datta Jayanti) 2026 falls on Wednesday 23 December. Pūrṇimā runs from 10:48 on Wed 23 Dec to 06:58 on Thu 24 Dec and covers all of pradoṣa that evening.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 23 Dec |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 23 Dec |
| compat-drikpanchang | Comparison profile | Wed 23 Dec |
| No institution has a recorded ruling for Ujjain. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/dattatreyotpatti · ruleset 2026.3-draft
“S 15 Dattatreyotpatti (pradosa).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Pūrṇimā | Sunset 23rd | Covered | Sunset 24th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 21:18 → 17:28 | 16:48 | 40 min | 16:49 | 0 min | 23 Dec |
| Chicago | 23:18 → 19:28 | 16:23 | 119 min | 16:24 | 0 min | 23 Dec |
| Jersey City | 00:18 → 20:28 | 16:33 | 118 min | 16:33 | 0 min | 23 Dec |
| Port of Spain | 01:18 → 21:28 | 17:50 | 100 min | 17:51 | 0 min | 23 Dec |
| London | 05:18 → 01:28 | 15:54 | 130 min | 15:55 | 0 min | 23 Dec |
| Durban | 07:18 → 03:28 | 18:57 | 80 min | 18:57 | 0 min | 23 Dec |
| Dubai | 09:18 → 05:28 | 17:35 | 107 min | 17:35 | 0 min | 23 Dec |
| Delhi | 10:48 → 06:58 | 17:29 | 110 min | 17:30 | 0 min | 23 Dec |
| Kolkata | 10:48 → 06:58 | 16:58 | 106 min | 16:58 | 0 min | 23 Dec |
| Singapore | 13:18 → 09:28 | 19:05 | 96 min | 19:05 | 0 min | 23 Dec |
| Sydney | 16:18 → 12:28 | 20:06 | 77 min | 20:07 | 0 min | 23 Dec |
| Suva | 17:18 → 13:28 | 18:42 | 86 min | 18:42 | 0 min | 23 Dec |