Midday of Tuesday 16 September
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
madhyāhna begins 11:49 12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25
48 of 48 minutes covered
Ruling · Vāmana Jayantī · 1975
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 Tuesday 16 September
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Wednesday 17 September
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Aṅga
Dvādaśī runs from 10:59 on Tue 16 Sep to 12:53 on Wed 17 Sep.
1975-09-16T02:58:35Z → 1975-09-17T04:52:31Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 16th, 11:49–12:37 on the 17th.
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 16th and 48 of 48 on the 17th.
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 953 s
Ruling
Vāmana Jayantī, Baoding, 1975: Tuesday 16 September.
confidence: boundary (tie-break-unstated)
In Baoding, Vāmana Jayantī 1975 falls on Tuesday 16 September. Dvādaśī runs from 10:59 on Tue 16 Sep to 12:53 on Wed 17 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 48 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 | Tue 16 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 16 Sep |
| compat-drikpanchang | Comparison profile | Tue 16 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 16th | Covered | Madhyāhna 17th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:59 → 21:53 | 12:24 | 48 min | 12:23 | 0 min | 16 Sep |
| Chicago | 21:59 → 23:53 | 12:21 | 48 min | 12:21 | 0 min | 16 Sep |
| Jersey City | 22:59 → 00:53 | 12:27 | 48 min | 12:27 | 0 min | 16 Sep |
| Port of Spain | 22:59 → 00:53 | 11:37 | 48 min | 11:37 | 0 min | 16 Sep |
| London | 03:59 → 05:53 | 12:31 | 48 min | 12:31 | 0 min | 16 Sep |
| Durban | 04:59 → 06:53 | 11:27 | 48 min | 11:27 | 0 min | 16 Sep |
| Dubai | 06:59 → 08:53 | 11:50 | 48 min | 11:49 | 0 min | 16 Sep |
| Delhi | 08:29 → 10:23 | 11:52 | 48 min | 11:52 | 0 min | 16 Sep |
| Kolkata | 08:29 → 10:23 | 11:08 | 48 min | 11:07 | 0 min | 16 Sep |
| Singapore | 10:29 → 12:23 | 12:06 | 48 min | 12:05 | 17 min | 16 Sep |
| Sydney | 12:59 → 14:53 | 11:27 | 0 min | 11:26 | 48 min | 17 Sep |
| Suva | 14:59 → 16:53 | 11:38 | 0 min | 11:37 | 48 min | 17 Sep |