Midday of Monday 30 October
Navamī is absent from madhyāhna. Not taken.
madhyāhna begins 11:13 12:01 madhyāhna ends
10:2510:4911:1311:3712:0112:2512:49
0 of 48 minutes covered
Ruling · Durgā Navamī · 2090
Determinatein Riyadh, under the Rashtriya Panchang method. Clear of every threshold by 476 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Monday 30 October
Navamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Midday of Tuesday 31 October
Taken. The only midday Navamī reaches.
48 of 48 minutes covered
Aṅga
Navamī runs from 19:57 on Mon 30 Oct to 22:05 on Tue 31 Oct.
2090-10-30T16:56:56Z → 2090-10-31T19:05:02Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 30th, 11:13–12:01 on the 31st.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 30th and 48 of 48 on the 31st.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: purvaviddha → only-day · margin 28564 s
Ruling
Durgā Navamī, Riyadh, 2090: Tuesday 31 October.
confidence: determinate
In Riyadh, Durgā Navamī 2090 falls on Tuesday 31 October. Navamī runs from 19:57 on Mon 30 Oct to 22:05 on Tue 31 Oct and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 31 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 31 Oct |
| compat-drikpanchang | Comparison profile | Tue 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 30th | Covered | Madhyāhna 31st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 09:57 → 12:05 | 12:13 | 48 min | 12:13 | 0 min | 30 Oct |
| Chicago | 11:57 → 14:05 | 12:10 | 48 min | 12:10 | 48 min | 30 Oct |
| Jersey City | 12:57 → 15:05 | 12:16 | 7 min | 12:16 | 48 min | 30 Oct |
| Port of Spain | 12:57 → 15:05 | 11:26 | 0 min | 11:26 | 48 min | 31 Oct |
| London | 16:57 → 19:05 | 11:20 | 0 min | 11:20 | 48 min | 31 Oct |
| Durban | 18:57 → 21:05 | 11:16 | 0 min | 11:16 | 48 min | 31 Oct |
| Dubai | 20:57 → 23:05 | 11:39 | 0 min | 11:38 | 48 min | 31 Oct |
| Delhi | 22:27 → 00:35 | 11:41 | 0 min | 11:41 | 48 min | 31 Oct |
| Kolkata | 22:27 → 00:35 | 10:56 | 0 min | 10:56 | 48 min | 31 Oct |
| Singapore | 00:57 → 03:05 | 12:25 | 0 min | 12:24 | 48 min | 31 Oct |
| Sydney | 03:57 → 06:05 | 12:15 | 0 min | 12:15 | 48 min | 31 Oct |
| Suva | 04:57 → 07:05 | 11:26 | 0 min | 11:26 | 48 min | 31 Oct |