Midday of Tuesday 4 November
Taken. Both middays qualify; the rule takes the first.
madhyāhna begins 11:37 12:25 madhyāhna ends
Navamī begins 12:00:00
10:4911:1311:3712:0112:2512:4913:13
25 of 48 minutes covered, the last 25
Ruling · Durgā Navamī · 2087
Determinatein Perth, under the Rashtriya Panchang method. Clear of every threshold by 6 min 49 s.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Tuesday 4 November
Taken. Both middays qualify; the rule takes the first.
25 of 48 minutes covered, the last 25
Midday of Wednesday 5 November
Qualifies with 7 of 48 minutes. Not taken.
7 of 48 minutes covered, the first 7
Aṅga
Navamī runs from 12:00 on Tue 4 Nov to 11:43 on Wed 5 Nov.
2087-11-04T04:00:01Z → 2087-11-05T03:43:26Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:37–12:25 on the 4th, 11:37–12:25 on the 5th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 25 of 48 minutes on the 4th and 7 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 409 s
Ruling
Durgā Navamī, Perth, 2087: Tuesday 4 November.
confidence: determinate
In Perth, Durgā Navamī 2087 falls on Tuesday 4 November. Navamī runs from 12:00 on Tue 4 Nov to 11:43 on Wed 5 Nov and covers 25 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 7 minutes; by the rule the first midday is taken.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 4 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 4 Nov |
| compat-drikpanchang | Comparison profile | Tue 4 Nov |
| No institution has a recorded ruling for Perth. | ||
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 | 20:00 → 19:43 | 11:13 | 48 min | 11:13 | 0 min | 4 Nov |
| Chicago | 22:00 → 21:43 | 11:10 | 48 min | 11:10 | 0 min | 4 Nov |
| Jersey City | 23:00 → 22:43 | 11:16 | 48 min | 11:16 | 0 min | 4 Nov |
| Port of Spain | 00:00 → 23:43 | 11:26 | 48 min | 11:26 | 0 min | 4 Nov |
| London | 04:00 → 03:43 | 11:20 | 48 min | 11:20 | 0 min | 4 Nov |
| Durban | 06:00 → 05:43 | 11:16 | 48 min | 11:16 | 0 min | 4 Nov |
| Dubai | 08:00 → 07:43 | 11:38 | 48 min | 11:38 | 0 min | 4 Nov |
| Delhi | 09:30 → 09:13 | 11:41 | 48 min | 11:41 | 0 min | 4 Nov |
| Kolkata | 09:30 → 09:13 | 10:56 | 48 min | 10:56 | 0 min | 4 Nov |
| Singapore | 12:00 → 11:43 | 12:24 | 48 min | 12:24 | 0 min | 4 Nov |
| Sydney | 15:00 → 14:43 | 12:15 | 0 min | 12:15 | 48 min | 5 Nov |
| Suva | 16:00 → 15:43 | 11:26 | 0 min | 11:26 | 48 min | 5 Nov |