Midday of Sunday 9 December
Qualifies with 48 of 48 minutes. Not taken.
madhyāhna begins 11:46 12:34 madhyāhna ends
Dvādaśī begins 11:46:22
10:5811:2211:4612:1012:3412:5813:22
48 of 48 minutes covered
Ruling · Akhaṇḍa Dvādaśī · 1951
Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 0 min 21 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Sunday 9 December
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Midday of Monday 10 December
Taken. Both middays qualify; the rule takes the second.
48 of 48 minutes covered
Aṅga
Dvādaśī runs from 11:46 on Sun 9 Dec to 12:40 on Mon 10 Dec.
1951-12-09T03:46:23Z → 1951-12-10T04:39:45Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 9th, 11:46–12:34 on the 10th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 9th and 48 of 48 on the 10th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Both middays qualify. Paraviddhā: the second is taken.
priority: paraviddha → paraviddha · margin 21 s < 300 s
Ruling
Akhaṇḍa Dvādaśī, Baoding, 1951: Monday 10 December.
confidence: boundary (margin)
In Baoding, Akhaṇḍa Dvādaśī 1951 falls on Monday 10 December. Dvādaśī runs from 11:46 on Sun 9 Dec to 12:40 on Mon 10 Dec and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken. It is 0 min 21 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 10 Dec |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 10 Dec |
| compat-drikpanchang | Comparison profile | Mon 10 Dec |
| No institution has a recorded ruling for Baoding. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/akhanda-dvadashi · ruleset 2026.3-draft
“S 12 Matsya dvadasi, Akhanda dvadasi (paraviddha), Vyanjana dvadasi & Dana dvadasi (Orissa).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Dvādaśī | Madhyāhna 9th | Covered | Madhyāhna 10th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:46 → 20:40 | 11:21 | 48 min | 11:22 | 0 min | 9 Dec |
| Chicago | 21:46 → 22:40 | 11:19 | 48 min | 11:19 | 0 min | 9 Dec |
| Jersey City | 22:46 → 23:40 | 11:24 | 48 min | 11:25 | 0 min | 9 Dec |
| Port of Spain | 23:46 → 00:40 | 11:34 | 48 min | 11:35 | 0 min | 9 Dec |
| London | 03:46 → 04:40 | 11:28 | 48 min | 11:29 | 0 min | 9 Dec |
| Durban | 05:46 → 06:40 | 11:24 | 48 min | 11:24 | 0 min | 9 Dec |
| Dubai | 07:46 → 08:40 | 11:47 | 48 min | 11:47 | 0 min | 9 Dec |
| Delhi | 09:16 → 10:10 | 11:49 | 48 min | 11:49 | 0 min | 9 Dec |
| Kolkata | 09:16 → 10:10 | 11:05 | 48 min | 11:05 | 0 min | 9 Dec |
| Singapore | 11:16 → 12:10 | 12:03 | 48 min | 12:03 | 7 min | 10 Dec |
| Sydney | 13:46 → 14:40 | 11:23 | 0 min | 11:24 | 48 min | 10 Dec |
| Suva | 15:46 → 16:40 | 11:34 | 0 min | 11:35 | 48 min | 10 Dec |