Midday of Sunday 4 November
Navamī is absent from madhyāhna. Not taken.
madhyāhna begins 11:12 12:00 madhyāhna ends
10:2410:4811:1211:3612:0012:2412:48
0 of 48 minutes covered
Ruling · Durgā Navamī · 2057
Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 12 minutes.
Decide it for
22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Sunday 4 November
Navamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Midday of Monday 5 November
Taken. The only midday Navamī reaches.
48 of 48 minutes covered
Aṅga
Navamī runs from 13:35 on Sun 4 Nov to 12:12 on Mon 5 Nov.
2057-11-04T07:35:10Z → 2057-11-05T06:12:14Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:12–12:00 on the 4th, 11:12–12:00 on the 5th.
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 4th and 48 of 48 on the 5th.
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 721 s
Ruling
Durgā Navamī, Chattogram, 2057: Monday 5 November.
confidence: determinate
In Chattogram, Durgā Navamī 2057 falls on Monday 5 November. Navamī runs from 13:35 on Sun 4 Nov to 12:12 on Mon 5 Nov and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 5 Nov |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 5 Nov |
| compat-drikpanchang | Comparison profile | Mon 5 Nov |
| No institution has a recorded ruling for Chattogram. | ||
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 | 00:35 → 22:12 | 11:12 | 48 min | 11:12 | 0 min | 4 Nov |
| Chicago | 01:35 → 00:12 | 11:10 | 48 min | 11:10 | 0 min | 4 Nov |
| Jersey City | 02:35 → 01:12 | 11:16 | 48 min | 11:16 | 0 min | 4 Nov |
| Port of Spain | 03:35 → 02:12 | 11:26 | 48 min | 11:26 | 0 min | 4 Nov |
| London | 07:35 → 06:12 | 11:20 | 48 min | 11:20 | 0 min | 4 Nov |
| Durban | 09:35 → 08:12 | 11:16 | 48 min | 11:16 | 0 min | 4 Nov |
| Dubai | 11:35 → 10:12 | 11:38 | 48 min | 11:38 | 0 min | 4 Nov |
| Delhi | 13:05 → 11:42 | 11:41 | 0 min | 11:41 | 2 min | 5 Nov |
| Kolkata | 13:05 → 11:42 | 10:56 | 0 min | 10:56 | 46 min | 5 Nov |
| Singapore | 15:35 → 14:12 | 12:24 | 0 min | 12:24 | 48 min | 5 Nov |
| Sydney | 18:35 → 17:12 | 12:15 | 0 min | 12:15 | 48 min | 5 Nov |
| Suva | 19:35 → 18:12 | 11:26 | 0 min | 11:26 | 48 min | 5 Nov |