Midday of Thursday 4 May
Taken. The only midday Saptamī reaches.
madhyāhna begins 11:51 12:39 madhyāhna ends
Saptamī begins 11:55:28
11:0311:2711:5112:1512:3913:0313:27
44 of 48 minutes covered, the last 44
Ruling · Gaṅgotpatti (Ganga Saptami) · 1911
Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 4 min 12 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Thursday 4 May
Taken. The only midday Saptamī reaches.
44 of 48 minutes covered, the last 44
Midday of Friday 5 May
Saptamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Saptamī runs from 11:55 on Thu 4 May to 09:59 on Fri 5 May.
1911-05-04T03:55:29Z → 1911-05-05T01:59:09Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 4th, 11:51–12:39 on the 5th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Saptamī must be present during madhyāhna. It covers 44 of 48 minutes on the 4th and 0 of 48 on the 5th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: purvaviddha → only-day · margin 252 s < 300 s
Ruling
Gaṅgotpatti, Baoding, 1911: Thursday 4 May.
confidence: boundary (margin)
In Baoding, Gaṅgotpatti (Ganga Saptami) 1911 falls on Thursday 4 May. Saptamī runs from 11:55 on Thu 4 May to 09:59 on Fri 5 May and covers 44 of 48 minutes of madhyāhna that midday. It is 4 min 12 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 4 May |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 4 May |
| compat-drikpanchang | Comparison profile | Thu 4 May |
| No institution has a recorded ruling for Baoding. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/gangotpatti · ruleset 2026.3-draft
“S 7 Gangotpatti, (madhyahna vyapini, if occurs on two successive days, the first day is to be observed), Jahnu saptami, Sarkara saptami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.
Twelve places, west to east. Local clock times.
| Place | Saptamī | Madhyāhna 4th | Covered | Madhyāhna 5th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:55 → 17:59 | 11:26 | 48 min | 11:26 | 0 min | 4 May |
| Chicago | 21:55 → 19:59 | 11:24 | 48 min | 11:24 | 0 min | 4 May |
| Jersey City | 22:55 → 20:59 | 11:29 | 48 min | 11:29 | 0 min | 4 May |
| Port of Spain | 23:55 → 21:59 | 11:39 | 48 min | 11:39 | 0 min | 4 May |
| London | 03:55 → 01:59 | 11:34 | 48 min | 11:34 | 0 min | 4 May |
| Durban | 05:55 → 03:59 | 11:29 | 48 min | 11:28 | 0 min | 4 May |
| Dubai | 07:36 → 05:40 | 11:33 | 48 min | 11:33 | 0 min | 4 May |
| Delhi | 09:25 → 07:29 | 11:54 | 48 min | 11:54 | 0 min | 4 May |
| Kolkata | 09:25 → 07:29 | 11:10 | 48 min | 11:09 | 0 min | 4 May |
| Singapore | 10:55 → 08:59 | 11:37 | 48 min | 11:37 | 0 min | 4 May |
| Sydney | 13:55 → 11:59 | 11:28 | 0 min | 11:28 | 31 min | 5 May |
| Suva | 15:50 → 13:54 | 11:34 | 0 min | 11:34 | 48 min | 5 May |