Midday of Tuesday 29 September
Taken. Both middays qualify; the rule takes the first.
madhyāhna begins 11:21 12:09 madhyāhna ends
Navamī begins 11:35:01
10:3310:5711:2111:4512:0912:3312:57
34 of 48 minutes covered, the last 34
Ruling · Mahānavamī · 1998
Determinatein Cairo, under the Rashtriya Panchang method. Clear of every threshold by 14 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Tuesday 29 September
Taken. Both middays qualify; the rule takes the first.
34 of 48 minutes covered, the last 34
Midday of Wednesday 30 September
Qualifies with 29 of 48 minutes. Not taken.
29 of 48 minutes covered, the first 29
Aṅga
Navamī runs from 11:35 on Tue 29 Sep to 11:49 on Wed 30 Sep.
1998-09-29T09:35:01Z → 1998-09-30T09:49:27Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:21–12:09 on the 29th, 11:21–12:09 on the 30th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 34 of 48 minutes on the 29th and 29 of 48 on the 30th.
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 830 s
Ruling
Mahānavamī, Cairo, 1998: Tuesday 29 September.
confidence: determinate
In Cairo, Mahānavamī 1998 falls on Tuesday 29 September. Navamī runs from 11:35 on Tue 29 Sep to 11:49 on Wed 30 Sep and covers 34 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 29 minutes; by the rule the first midday is taken.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 29 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 29 Sep |
| compat-drikpanchang | Comparison profile | Tue 29 Sep |
| No institution has a recorded ruling for Cairo. | ||
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 29th | Covered | Madhyāhna 30th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 02:35 → 02:49 | 12:19 | 48 min | 12:19 | 0 min | 29 Sep |
| Chicago | 04:35 → 04:49 | 12:17 | 48 min | 12:16 | 0 min | 29 Sep |
| Jersey City | 05:35 → 05:49 | 12:22 | 48 min | 12:22 | 0 min | 29 Sep |
| Port of Spain | 05:35 → 05:49 | 11:32 | 48 min | 11:32 | 0 min | 29 Sep |
| London | 10:35 → 10:49 | 12:26 | 48 min | 12:26 | 0 min | 29 Sep |
| Durban | 11:35 → 11:49 | 11:23 | 36 min | 11:22 | 27 min | 29 Sep |
| Dubai | 13:35 → 13:49 | 11:45 | 0 min | 11:45 | 48 min | 30 Sep |
| Delhi | 15:05 → 15:19 | 11:47 | 0 min | 11:47 | 48 min | 30 Sep |
| Kolkata | 15:05 → 15:19 | 11:03 | 0 min | 11:03 | 48 min | 30 Sep |
| Singapore | 17:35 → 17:49 | 12:31 | 0 min | 12:31 | 48 min | 30 Sep |
| Sydney | 19:35 → 19:49 | 11:22 | 0 min | 11:22 | 48 min | 30 Sep |
| Suva | 21:35 → 21:49 | 11:33 | 0 min | 11:33 | 48 min | 30 Sep |