Midday of Tuesday 30 September
Taken. Both middays qualify; the rule takes the first.
madhyāhna begins 11:44 12:32 madhyāhna ends
Navamī begins 11:46:34
10:5611:2011:4412:0812:3212:5613:20
46 of 48 minutes covered, the last 46
Ruling · Mahānavamī · 1930
Boundaryin Baoding, under the Rashtriya Panchang method. A threshold is only 2 min 26 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Tuesday 30 September
Taken. Both middays qualify; the rule takes the first.
46 of 48 minutes covered, the last 46
Midday of Wednesday 1 October
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Aṅga
Navamī runs from 11:47 on Tue 30 Sep to 13:46 on Wed 1 Oct.
1930-09-30T03:46:34Z → 1930-10-01T05:46:21Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 30th, 11:44–12:32 on the 1st.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 46 of 48 minutes on the 30th and 48 of 48 on the 1st.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Both middays qualify. Pūrvaviddhā: the first is taken.
priority: purvaviddha → purvaviddha · margin 146 s < 300 s
Ruling
Mahānavamī, Baoding, 1930: Tuesday 30 September.
confidence: boundary (margin)
In Baoding, Mahānavamī 1930 falls on Tuesday 30 September. Navamī runs from 11:47 on Tue 30 Sep to 13:46 on Wed 1 Oct and covers 46 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken. It is 2 min 26 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 30 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 30 Sep |
| compat-drikpanchang | Comparison profile | Tue 30 Sep |
| No institution has a recorded ruling for Baoding. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/mahanavami · ruleset 2026.3-draft
“S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104. The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.
Twelve places, west to east. Local clock times.
| Place | Navamī | Madhyāhna 30th | Covered | Madhyāhna 1st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:47 → 21:46 | 11:19 | 48 min | 11:18 | 0 min | 30 Sep |
| Chicago | 21:47 → 23:46 | 11:16 | 48 min | 11:16 | 0 min | 30 Sep |
| Jersey City | 22:47 → 00:46 | 11:22 | 48 min | 11:22 | 0 min | 30 Sep |
| Port of Spain | 23:47 → 01:46 | 11:32 | 48 min | 11:32 | 0 min | 30 Sep |
| London | 04:47 → 06:46 | 12:26 | 48 min | 12:26 | 0 min | 30 Sep |
| Durban | 05:47 → 07:46 | 11:22 | 48 min | 11:22 | 0 min | 30 Sep |
| Dubai | 07:47 → 09:46 | 11:45 | 48 min | 11:45 | 0 min | 30 Sep |
| Delhi | 09:17 → 11:16 | 11:47 | 48 min | 11:47 | 0 min | 30 Sep |
| Kolkata | 09:17 → 11:16 | 11:03 | 48 min | 11:02 | 14 min | 30 Sep |
| Singapore | 10:47 → 12:46 | 11:31 | 48 min | 11:31 | 48 min | 30 Sep |
| Sydney | 13:47 → 15:46 | 11:22 | 0 min | 11:21 | 48 min | 1 Oct |
| Suva | 15:47 → 17:46 | 11:33 | 0 min | 11:32 | 48 min | 1 Oct |