Midday of Monday 31 January
Taken. The only midday Dvādaśī reaches.
madhyāhna begins 12:08 12:56 madhyāhna ends
11:2011:4412:0812:3212:5613:2013:44
48 of 48 minutes covered
Ruling · Bhīṣma Dvādaśī · 1977
Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 53 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Monday 31 January
Taken. The only midday Dvādaśī reaches.
48 of 48 minutes covered
Midday of Tuesday 1 February
Dvādaśī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Dvādaśī runs from 09:47 on Mon 31 Jan to 11:15 on Tue 1 Feb.
1977-01-31T01:46:45Z → 1977-02-01T03:15:01Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 31st, 12:08–12:56 on the 1st.
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 31st and 0 of 48 on the 1st.
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 3176 s
Ruling
Bhīṣma Dvādaśī, Baoding, 1977: Monday 31 January.
confidence: determinate
In Baoding, Bhīṣma Dvādaśī 1977 falls on Monday 31 January. Dvādaśī runs from 09:47 on Mon 31 Jan to 11:15 on Tue 1 Feb and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 31 Jan |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 31 Jan |
| compat-drikpanchang | Comparison profile | Mon 31 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 31st | Covered | Madhyāhna 1st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 17:47 → 19:15 | 11:43 | 48 min | 11:43 | 0 min | 31 Jan |
| Chicago | 19:47 → 21:15 | 11:40 | 48 min | 11:41 | 0 min | 31 Jan |
| Jersey City | 20:47 → 22:15 | 11:46 | 48 min | 11:46 | 0 min | 31 Jan |
| Port of Spain | 21:47 → 23:15 | 11:56 | 48 min | 11:56 | 0 min | 31 Jan |
| London | 01:47 → 03:15 | 11:50 | 48 min | 11:50 | 0 min | 31 Jan |
| Durban | 03:47 → 05:15 | 11:45 | 48 min | 11:45 | 0 min | 31 Jan |
| Dubai | 05:47 → 07:15 | 12:08 | 48 min | 12:09 | 0 min | 31 Jan |
| Delhi | 07:17 → 08:45 | 12:11 | 48 min | 12:11 | 0 min | 31 Jan |
| Kolkata | 07:17 → 08:45 | 11:26 | 48 min | 11:26 | 0 min | 31 Jan |
| Singapore | 09:17 → 10:45 | 12:24 | 48 min | 12:24 | 0 min | 31 Jan |
| Sydney | 12:47 → 14:15 | 12:44 | 46 min | 12:44 | 48 min | 31 Jan |
| Suva | 13:47 → 15:15 | 11:56 | 0 min | 11:56 | 48 min | 1 Feb |