Midday of Thursday 4 November
Taken. Both middays qualify; the rule takes the first.
6 of 48 minutes covered, the last 6
Ruling · Durgā Navamī · 1954
Boundaryin Riyadh, under the Rashtriya Panchang method. A threshold is only 2 min 29 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Thursday 4 November
Taken. Both middays qualify; the rule takes the first.
6 of 48 minutes covered, the last 6
Midday of Friday 5 November
Qualifies with 2 of 48 minutes. Not taken.
2 of 48 minutes covered, the first 2
Aṅga
Navamī runs from 11:54 on Thu 4 Nov to 11:15 on Fri 5 Nov.
1954-11-04T08:54:22Z → 1954-11-05T08:15:05Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 4th, 11:13–12:01 on the 5th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 6 of 48 minutes on the 4th and 2 of 48 on the 5th.
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 149 s < 300 s
Ruling
Durgā Navamī, Riyadh, 1954: Thursday 4 November.
confidence: boundary (margin)
In Riyadh, Durgā Navamī 1954 falls on Thursday 4 November. Navamī runs from 11:54 on Thu 4 Nov to 11:15 on Fri 5 Nov and covers 6 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 2 minutes; by the rule the first midday is taken. It is 2 min 29 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 4 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 4 Nov |
| compat-drikpanchang | Comparison profile | Thu 4 Nov |
| No institution has a recorded ruling for Riyadh. | ||
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 4th | Covered | Madhyāhna 5th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 00:54 → 00:15 | 11:12 | 48 min | 11:12 | 0 min | 4 Nov |
| Chicago | 02:54 → 02:15 | 11:10 | 48 min | 11:10 | 0 min | 4 Nov |
| Jersey City | 03:54 → 03:15 | 11:16 | 48 min | 11:16 | 0 min | 4 Nov |
| Port of Spain | 04:54 → 04:15 | 11:26 | 48 min | 11:26 | 0 min | 4 Nov |
| London | 08:54 → 08:15 | 11:20 | 48 min | 11:20 | 0 min | 4 Nov |
| Durban | 10:54 → 10:15 | 11:16 | 48 min | 11:16 | 0 min | 4 Nov |
| Dubai | 12:54 → 12:15 | 11:38 | 0 min | 11:38 | 37 min | 5 Nov |
| Delhi | 14:24 → 13:45 | 11:41 | 0 min | 11:41 | 48 min | 5 Nov |
| Kolkata | 14:24 → 13:45 | 10:56 | 0 min | 10:56 | 48 min | 5 Nov |
| Singapore | 16:24 → 15:45 | 11:54 | 0 min | 11:54 | 48 min | 5 Nov |
| Sydney | 18:54 → 18:15 | 11:15 | 0 min | 11:15 | 48 min | 5 Nov |
| Suva | 20:54 → 20:15 | 11:26 | 0 min | 11:26 | 48 min | 5 Nov |