Midday of Saturday 6 February
Taken. Both middays qualify; the rule takes the first.
48 of 48 minutes covered
Ruling · Bhīṣma Dvādaśī · 2066
Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 2 min 35 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Saturday 6 February
Taken. Both middays qualify; the rule takes the first.
48 of 48 minutes covered
Midday of Sunday 7 February
Qualifies with 45 of 48 minutes. Not taken.
45 of 48 minutes covered, the first 45
Aṅga
Dvādaśī runs from 10:41 on Sat 6 Feb to 12:54 on Sun 7 Feb.
2066-02-06T02:40:36Z → 2066-02-07T04:53:57Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 6th, 12:09–12:57 on the 7th.
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 6th and 45 of 48 on the 7th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105
Tie-break
Both middays qualify. Pūrvaviddhā: the first is taken.
priority: purvaviddha → purvaviddha · margin 155 s < 300 s
Ruling
Bhīṣma Dvādaśī, Baoding, 2066: Saturday 6 February.
confidence: boundary (margin)
In Baoding, Bhīṣma Dvādaśī 2066 falls on Saturday 6 February. Dvādaśī runs from 10:41 on Sat 6 Feb to 12:54 on Sun 7 Feb and covers all of madhyāhna that midday. It also reaches the next midday for 45 minutes; by the rule the first midday is taken. It is 2 min 35 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sat 6 Feb |
| Ahargaṇa, classical | Disc centre, no refraction | Sat 6 Feb |
| compat-drikpanchang | Comparison profile | Sat 6 Feb |
| 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 6th | Covered | Madhyāhna 7th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 18:41 → 20:54 | 11:43 | 48 min | 11:43 | 0 min | 6 Feb |
| Chicago | 20:41 → 22:54 | 11:41 | 48 min | 11:41 | 0 min | 6 Feb |
| Jersey City | 21:41 → 23:54 | 11:47 | 48 min | 11:47 | 0 min | 6 Feb |
| Port of Spain | 22:41 → 00:54 | 11:56 | 48 min | 11:56 | 0 min | 6 Feb |
| London | 02:41 → 04:54 | 11:51 | 48 min | 11:51 | 0 min | 6 Feb |
| Durban | 04:41 → 06:54 | 11:46 | 48 min | 11:46 | 0 min | 6 Feb |
| Dubai | 06:41 → 08:54 | 12:09 | 48 min | 12:09 | 0 min | 6 Feb |
| Delhi | 08:11 → 10:24 | 12:11 | 48 min | 12:11 | 0 min | 6 Feb |
| Kolkata | 08:11 → 10:24 | 11:27 | 48 min | 11:27 | 0 min | 6 Feb |
| Singapore | 10:41 → 12:54 | 12:55 | 48 min | 12:55 | 0 min | 6 Feb |
| Sydney | 13:41 → 15:54 | 12:45 | 0 min | 12:45 | 48 min | 7 Feb |
| Suva | 14:41 → 16:54 | 11:56 | 0 min | 11:56 | 48 min | 7 Feb |