Midday of Tuesday 11 November
Taken. Both middays qualify; the rule takes the first.
madhyāhna begins 11:24 12:12 madhyāhna ends
Navamī begins 10:46:57
10:3611:0011:2411:4812:1212:3613:00
48 of 48 minutes covered
Ruling · Durgā Navamī · 1975
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 37 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Tuesday 11 November
Taken. Both middays qualify; the rule takes the first.
48 of 48 minutes covered
Midday of Wednesday 12 November
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Aṅga
Navamī runs from 10:47 on Tue 11 Nov to 13:00 on Wed 12 Nov.
1975-11-11T07:16:58Z → 1975-11-12T09:29:51Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 11th, 11:24–12:12 on the 12th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 48 of 48 on the 12th.
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 2229 s
Ruling
Durgā Navamī, Tehran, 1975: Tuesday 11 November.
confidence: determinate
In Tehran, Durgā Navamī 1975 falls on Tuesday 11 November. Navamī runs from 10:47 on Tue 11 Nov to 13:00 on Wed 12 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 11 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 11 Nov |
| compat-drikpanchang | Comparison profile | Tue 11 Nov |
| No institution has a recorded ruling for Tehran. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/durga-navami · ruleset 2026.3-draft
“S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Navamī | Madhyāhna 11th | Covered | Madhyāhna 12th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 23:17 → 01:30 | 11:13 | 48 min | 11:13 | 0 min | 11 Nov |
| Chicago | 01:17 → 03:30 | 11:10 | 48 min | 11:11 | 0 min | 11 Nov |
| Jersey City | 02:17 → 04:30 | 11:16 | 48 min | 11:16 | 0 min | 11 Nov |
| Port of Spain | 03:17 → 05:30 | 11:26 | 48 min | 11:26 | 0 min | 11 Nov |
| London | 07:17 → 09:30 | 11:20 | 48 min | 11:20 | 0 min | 11 Nov |
| Durban | 09:17 → 11:30 | 11:16 | 48 min | 11:16 | 14 min | 11 Nov |
| Dubai | 11:17 → 13:30 | 11:39 | 48 min | 11:39 | 48 min | 11 Nov |
| Delhi | 12:47 → 15:00 | 11:41 | 0 min | 11:41 | 48 min | 12 Nov |
| Kolkata | 12:47 → 15:00 | 10:56 | 0 min | 10:57 | 48 min | 12 Nov |
| Singapore | 14:47 → 17:00 | 11:55 | 0 min | 11:55 | 48 min | 12 Nov |
| Sydney | 18:17 → 20:30 | 12:15 | 0 min | 12:15 | 48 min | 12 Nov |
| Suva | 19:17 → 21:30 | 11:26 | 0 min | 11:26 | 48 min | 12 Nov |