Evening of Friday 4 December
Taken. The only evening Pūrṇimā reaches.
16:56 sunsetpradoṣa ends 18:51
16:3216:5617:2017:4418:0818:3218:5619:20
115 of 115 minutes covered
Ruling · Dattātreyotpatti (Datta Jayanti) · 1987
Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 55 minutes.
One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.
Evening of Friday 4 December
Taken. The only evening Pūrṇimā reaches.
115 of 115 minutes covered
Evening of Saturday 5 December
Pūrṇimā is absent from pradoṣa. Not taken.
0 of 115 minutes covered
Aṅga
Pūrṇimā runs from 15:29 on Fri 4 Dec to 16:01 on Sat 5 Dec.
1987-12-04T07:28:47Z → 1987-12-05T08:01:00Z
Kāla
Pradoṣa is 2 muhūrtas after sunset: 16:56–18:51 on the 4th, 16:56–18:51 on the 5th.
pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′
Rule
Pūrṇimā must be present during pradoṣa. It covers 115 of 115 minutes on the 4th and 0 of 115 on the 5th.
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 3289 s
Ruling
Dattātreyotpatti, Baoding, 1987: Friday 4 December.
confidence: determinate
In Baoding, Dattātreyotpatti (Datta Jayanti) 1987 falls on Friday 4 December. Pūrṇimā runs from 15:29 on Fri 4 Dec to 16:01 on Sat 5 Dec and covers all of pradoṣa that evening.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 4 Dec |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 4 Dec |
| compat-drikpanchang | Comparison profile | Fri 4 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 4th | Covered | Sunset 5th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 23:29 → 00:01 | 16:43 | 112 min | 16:43 | 0 min | 4 Dec |
| Chicago | 01:29 → 02:01 | 16:20 | 118 min | 16:19 | 0 min | 4 Dec |
| Jersey City | 02:29 → 03:01 | 16:29 | 117 min | 16:29 | 0 min | 4 Dec |
| Port of Spain | 03:29 → 04:01 | 17:42 | 100 min | 17:42 | 0 min | 4 Dec |
| London | 07:29 → 08:01 | 15:53 | 127 min | 15:53 | 0 min | 4 Dec |
| Durban | 09:29 → 10:01 | 18:44 | 80 min | 18:45 | 0 min | 4 Dec |
| Dubai | 11:29 → 12:01 | 17:29 | 107 min | 17:29 | 0 min | 4 Dec |
| Delhi | 12:59 → 13:31 | 17:23 | 109 min | 17:24 | 0 min | 4 Dec |
| Kolkata | 12:59 → 13:31 | 16:51 | 105 min | 16:51 | 0 min | 4 Dec |
| Singapore | 15:29 → 16:01 | 18:56 | 96 min | 18:56 | 0 min | 4 Dec |
| Sydney | 18:29 → 19:01 | 19:53 | 78 min | 19:54 | 0 min | 4 Dec |
| Suva | 19:29 → 20:01 | 18:31 | 29 min | 18:31 | 87 min | 5 Dec |