Evening of Wednesday 12 December
Taken. Both evenings qualify; the rule is silent, and this one is covered longer.
95 of 116 minutes covered, the last 95
Ruling · Dattātreyotpatti (Datta Jayanti) · 2046
Boundaryin Baoding, under the Rashtriya Panchang method. Both evenings qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.
Evening of Wednesday 12 December
Taken. Both evenings qualify; the rule is silent, and this one is covered longer.
95 of 116 minutes covered, the last 95
Evening of Thursday 13 December
Qualifies with 59 of 116 minutes. Not taken.
59 of 116 minutes covered, the first 59
Aṅga
Pūrṇimā runs from 17:18 on Wed 12 Dec to 17:56 on Thu 13 Dec.
2046-12-12T09:17:43Z → 2046-12-13T09:55:33Z
Kāla
Pradoṣa is 2 muhūrtas after sunset: 16:56–18:52 on the 12th, 16:56–18:53 on the 13th.
pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during pradoṣa. It covers 95 of 116 minutes on the 12th and 59 of 116 on the 13th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 1299 s
Ruling
Dattātreyotpatti, Baoding, 2046: Wednesday 12 December.
confidence: boundary (tie-break-unstated)
In Baoding, Dattātreyotpatti (Datta Jayanti) 2046 falls on Wednesday 12 December. Pūrṇimā runs from 17:18 on Wed 12 Dec to 17:56 on Thu 13 Dec and covers 95 of 116 minutes of pradoṣa that evening. It also reaches the next evening for 59 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 12 Dec |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 12 Dec |
| compat-drikpanchang | Comparison profile | Wed 12 Dec |
| No institution has a recorded ruling for Baoding. | ||
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 12th | Covered | Sunset 13th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 01:18 → 01:56 | 16:44 | 113 min | 16:44 | 0 min | 12 Dec |
| Chicago | 03:18 → 03:56 | 16:19 | 119 min | 16:20 | 0 min | 12 Dec |
| Jersey City | 04:18 → 04:56 | 16:29 | 118 min | 16:29 | 0 min | 12 Dec |
| Port of Spain | 05:18 → 05:56 | 17:45 | 100 min | 17:45 | 0 min | 12 Dec |
| London | 09:18 → 09:56 | 15:51 | 129 min | 15:51 | 0 min | 12 Dec |
| Durban | 11:18 → 11:56 | 18:51 | 80 min | 18:51 | 0 min | 12 Dec |
| Dubai | 13:18 → 13:56 | 17:30 | 107 min | 17:31 | 0 min | 12 Dec |
| Delhi | 14:48 → 15:26 | 17:25 | 109 min | 17:25 | 0 min | 12 Dec |
| Kolkata | 14:48 → 15:26 | 16:53 | 106 min | 16:54 | 0 min | 12 Dec |
| Singapore | 17:18 → 17:56 | 19:00 | 96 min | 19:00 | 0 min | 12 Dec |
| Sydney | 20:18 → 20:56 | 20:00 | 59 min | 20:00 | 55 min | 12 Dec |
| Suva | 21:18 → 21:56 | 18:36 | 0 min | 18:36 | 86 min | 13 Dec |