Midday of Monday 28 January
Taken. The only midday Dvādaśī reaches.
madhyāhna begins 12:07 12:55 madhyāhna ends
11:1911:4312:0712:3112:5513:1913:43
48 of 48 minutes covered
Ruling · Bhīṣma Dvādaśī · 1980
Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 299 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Monday 28 January
Taken. The only midday Dvādaśī reaches.
48 of 48 minutes covered
Midday of Tuesday 29 January
Dvādaśī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Dvādaśī runs from 06:59 on Mon 28 Jan to 07:08 on Tue 29 Jan.
1980-01-27T22:58:34Z → 1980-01-28T23:08:10Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:07–12:55 on the 28th, 12:07–12:55 on the 29th.
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 28th and 0 of 48 on the 29th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: purvaviddha → only-day · margin 17950 s
Ruling
Bhīṣma Dvādaśī, Baoding, 1980: Monday 28 January.
confidence: determinate
In Baoding, Bhīṣma Dvādaśī 1980 falls on Monday 28 January. Dvādaśī runs from 06:59 on Mon 28 Jan to 07:08 on Tue 29 Jan and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 28 Jan |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 28 Jan |
| compat-drikpanchang | Comparison profile | Mon 28 Jan |
| No institution has a recorded ruling for Baoding. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/bhishma-dvadashi · ruleset 2026.3-draft
“S 12 Bhisma dvadasi (purvaviddha), Amalaki dvadasi, Santana dvadasi, Varaha dvadasi” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.
Twelve places, west to east. Local clock times.
| Place | Dvādaśī | Madhyāhna 27th | Covered | Madhyāhna 28th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 14:59 → 15:08 | 11:42 | 0 min | 11:42 | 48 min | 28 Jan |
| Chicago | 16:59 → 17:08 | 11:40 | 0 min | 11:40 | 48 min | 28 Jan |
| Jersey City | 17:59 → 18:08 | 11:45 | 0 min | 11:45 | 48 min | 28 Jan |
| Port of Spain | 18:59 → 19:08 | 11:55 | 0 min | 11:55 | 48 min | 28 Jan |
| London | 22:59 → 23:08 | 11:49 | 0 min | 11:50 | 48 min | 28 Jan |
| Durban | 00:59 → 01:08 | 11:44 | 0 min | 11:45 | 48 min | 28 Jan |
| Dubai | 02:59 → 03:08 | 12:07 | 0 min | 12:08 | 48 min | 28 Jan |
| Delhi | 04:29 → 04:38 | 12:10 | 0 min | 12:10 | 48 min | 28 Jan |
| Kolkata | 04:29 → 04:38 | 11:25 | 0 min | 11:25 | 48 min | 28 Jan |
| Singapore | 06:29 → 06:38 | 12:23 | 0 min | 12:23 | 48 min | 28 Jan |
| Sydney | 09:59 → 10:08 | 12:44 | 0 min | 12:44 | 48 min | 28 Jan |
| Suva | 10:59 → 11:08 | 11:55 | 0 min | 11:55 | 48 min | 28 Jan |