Midday of Sunday 20 September
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
madhyāhna begins 11:47 12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23
48 of 48 minutes covered
Ruling · Vāmana Jayantī · 2037
Boundaryin Baoding, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Sunday 20 September
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Monday 21 September
Qualifies with 27 of 48 minutes. Not taken.
27 of 48 minutes covered, the first 27
Aṅga
Dvādaśī runs from 10:06 on Sun 20 Sep to 12:14 on Mon 21 Sep.
2037-09-20T02:06:14Z → 2037-09-21T04:13:46Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 20th, 11:47–12:35 on the 21st.
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 20th and 27 of 48 on the 21st.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
Tie-break
Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 1270 s
Ruling
Vāmana Jayantī, Baoding, 2037: Sunday 20 September.
confidence: boundary (tie-break-unstated)
In Baoding, Vāmana Jayantī 2037 falls on Sunday 20 September. Dvādaśī runs from 10:06 on Sun 20 Sep to 12:14 on Mon 21 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 27 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sun 20 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Sun 20 Sep |
| compat-drikpanchang | Comparison profile | Sun 20 Sep |
| No institution has a recorded ruling for Baoding. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/vamana-jayanti · ruleset 2026.3-draft
“S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.
Twelve places, west to east. Local clock times.
| Place | Dvādaśī | Madhyāhna 20th | Covered | Madhyāhna 21st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:06 → 21:14 | 12:22 | 48 min | 12:22 | 0 min | 20 Sep |
| Chicago | 21:06 → 23:14 | 12:19 | 48 min | 12:19 | 0 min | 20 Sep |
| Jersey City | 22:06 → 00:14 | 12:25 | 48 min | 12:25 | 0 min | 20 Sep |
| Port of Spain | 22:06 → 00:14 | 11:35 | 48 min | 11:35 | 0 min | 20 Sep |
| London | 03:06 → 05:14 | 12:29 | 48 min | 12:29 | 0 min | 20 Sep |
| Durban | 04:06 → 06:14 | 11:25 | 48 min | 11:25 | 0 min | 20 Sep |
| Dubai | 06:06 → 08:14 | 11:48 | 48 min | 11:48 | 0 min | 20 Sep |
| Delhi | 07:36 → 09:44 | 11:50 | 48 min | 11:50 | 0 min | 20 Sep |
| Kolkata | 07:36 → 09:44 | 11:06 | 48 min | 11:05 | 0 min | 20 Sep |
| Singapore | 10:06 → 12:14 | 12:34 | 48 min | 12:34 | 0 min | 20 Sep |
| Sydney | 12:06 → 14:14 | 11:25 | 7 min | 11:25 | 48 min | 21 Sep |
| Suva | 14:06 → 16:14 | 11:36 | 0 min | 11:36 | 48 min | 21 Sep |