Midday of Friday 14 October
Taken. Both middays qualify; the rule takes the first.
madhyāhna begins 11:15 12:03 madhyāhna ends
Navamī begins 11:49:28
10:2710:5111:1511:3912:0312:2712:51
14 of 48 minutes covered, the last 14
Ruling · Mahānavamī · 1983
Determinatein Riyadh, 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 Friday 14 October
Taken. Both middays qualify; the rule takes the first.
14 of 48 minutes covered, the last 14
Midday of Saturday 15 October
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Aṅga
Navamī runs from 11:49 on Fri 14 Oct to 14:16 on Sat 15 Oct.
1983-10-14T08:49:28Z → 1983-10-15T11:16:22Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 14th, 11:15–12:03 on the 15th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 14 of 48 minutes on the 14th and 48 of 48 on the 15th.
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 817 s
Ruling
Mahānavamī, Riyadh, 1983: Friday 14 October.
confidence: determinate
In Riyadh, Mahānavamī 1983 falls on Friday 14 October. Navamī runs from 11:49 on Fri 14 Oct to 14:16 on Sat 15 Oct and covers 14 of 48 minutes 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 | Fri 14 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 14 Oct |
| compat-drikpanchang | Comparison profile | Fri 14 Oct |
| No institution has a recorded ruling for Riyadh. | ||
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 14th | Covered | Madhyāhna 15th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 01:49 → 04:16 | 12:15 | 48 min | 12:15 | 0 min | 14 Oct |
| Chicago | 03:49 → 06:16 | 12:12 | 48 min | 12:12 | 0 min | 14 Oct |
| Jersey City | 04:49 → 07:16 | 12:18 | 48 min | 12:18 | 0 min | 14 Oct |
| Port of Spain | 04:49 → 07:16 | 11:28 | 48 min | 11:28 | 0 min | 14 Oct |
| London | 09:49 → 12:16 | 12:22 | 48 min | 12:22 | 0 min | 14 Oct |
| Durban | 10:49 → 13:16 | 11:18 | 48 min | 11:18 | 48 min | 14 Oct |
| Dubai | 12:49 → 15:16 | 11:41 | 0 min | 11:41 | 48 min | 15 Oct |
| Delhi | 14:19 → 16:46 | 11:43 | 0 min | 11:43 | 48 min | 15 Oct |
| Kolkata | 14:19 → 16:46 | 10:59 | 0 min | 10:58 | 48 min | 15 Oct |
| Singapore | 16:49 → 19:16 | 12:27 | 0 min | 12:27 | 48 min | 15 Oct |
| Sydney | 18:49 → 21:16 | 11:18 | 0 min | 11:17 | 48 min | 15 Oct |
| Suva | 20:49 → 23:16 | 11:29 | 0 min | 11:28 | 48 min | 15 Oct |