Midday of Thursday 31 October
Taken. Both middays qualify; the rule takes the first.
45 of 48 minutes covered, the last 45
Ruling · Durgā Navamī · 2052
Boundaryin Riyadh, under the Rashtriya Panchang method. A threshold is only 2 min 31 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Thursday 31 October
Taken. Both middays qualify; the rule takes the first.
45 of 48 minutes covered, the last 45
Midday of Friday 1 November
Qualifies with 41 of 48 minutes. Not taken.
41 of 48 minutes covered, the first 41
Aṅga
Navamī runs from 11:15 on Thu 31 Oct to 11:54 on Fri 1 Nov.
2052-10-31T08:15:09Z → 2052-11-01T08:53:36Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 31st, 11:13–12:01 on the 1st.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 45 of 48 minutes on the 31st and 41 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 151 s < 300 s
Ruling
Durgā Navamī, Riyadh, 2052: Thursday 31 October.
confidence: boundary (margin)
In Riyadh, Durgā Navamī 2052 falls on Thursday 31 October. Navamī runs from 11:15 on Thu 31 Oct to 11:54 on Fri 1 Nov and covers 45 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 41 minutes; by the rule the first midday is taken. It is 2 min 31 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 31 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 31 Oct |
| compat-drikpanchang | Comparison profile | Thu 31 Oct |
| 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 31st | Covered | Madhyāhna 1st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 01:15 → 01:54 | 12:12 | 48 min | 12:12 | 0 min | 31 Oct |
| Chicago | 03:15 → 03:54 | 12:10 | 48 min | 12:10 | 0 min | 31 Oct |
| Jersey City | 04:15 → 04:54 | 12:16 | 48 min | 12:16 | 0 min | 31 Oct |
| Port of Spain | 04:15 → 04:54 | 11:26 | 48 min | 11:26 | 0 min | 31 Oct |
| London | 08:15 → 08:54 | 11:20 | 48 min | 11:20 | 0 min | 31 Oct |
| Durban | 10:15 → 10:54 | 11:16 | 48 min | 11:16 | 0 min | 31 Oct |
| Dubai | 12:15 → 12:54 | 11:38 | 11 min | 11:38 | 48 min | 31 Oct |
| Delhi | 13:45 → 14:24 | 11:41 | 0 min | 11:41 | 48 min | 1 Nov |
| Kolkata | 13:45 → 14:24 | 10:56 | 0 min | 10:56 | 48 min | 1 Nov |
| Singapore | 16:15 → 16:54 | 12:24 | 0 min | 12:24 | 48 min | 1 Nov |
| Sydney | 19:15 → 19:54 | 12:15 | 0 min | 12:15 | 48 min | 1 Nov |
| Suva | 20:15 → 20:54 | 11:26 | 0 min | 11:26 | 48 min | 1 Nov |