Midday of Wednesday 7 October
Taken. The only midday Navamī reaches.
madhyāhna begins 11:16 12:04 madhyāhna ends
10:2810:5211:1611:4012:0412:2812:52
48 of 48 minutes covered
Ruling · Mahānavamī · 1981
Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 444 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 Wednesday 7 October
Taken. The only midday Navamī reaches.
48 of 48 minutes covered
Midday of Thursday 8 October
Navamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Navamī runs from 02:38 on Wed 7 Oct to 03:52 on Thu 8 Oct.
1981-10-06T20:37:54Z → 1981-10-07T21:52:15Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:16–12:04 on the 7th, 11:16–12:04 on the 8th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 7th and 0 of 48 on the 8th.
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 26634 s
Ruling
Mahānavamī, Chattogram, 1981: Wednesday 7 October.
confidence: determinate
In Chattogram, Mahānavamī 1981 falls on Wednesday 7 October. Navamī runs from 02:38 on Wed 7 Oct to 03:52 on Thu 8 Oct and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 7 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 7 Oct |
| compat-drikpanchang | Comparison profile | Wed 7 Oct |
| No institution has a recorded ruling for Chattogram. | ||
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 6th | Covered | Madhyāhna 7th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 13:38 → 14:52 | 12:17 | 0 min | 12:16 | 48 min | 7 Oct |
| Chicago | 15:38 → 16:52 | 12:14 | 0 min | 12:14 | 48 min | 7 Oct |
| Jersey City | 16:38 → 17:52 | 12:20 | 0 min | 12:20 | 48 min | 7 Oct |
| Port of Spain | 16:38 → 17:52 | 11:30 | 0 min | 11:30 | 48 min | 7 Oct |
| London | 21:38 → 22:52 | 12:24 | 0 min | 12:24 | 48 min | 7 Oct |
| Durban | 22:38 → 23:52 | 11:20 | 0 min | 11:20 | 48 min | 7 Oct |
| Dubai | 00:38 → 01:52 | 11:43 | 0 min | 11:42 | 48 min | 7 Oct |
| Delhi | 02:08 → 03:22 | 11:45 | 0 min | 11:45 | 48 min | 7 Oct |
| Kolkata | 02:08 → 03:22 | 11:01 | 0 min | 11:00 | 48 min | 7 Oct |
| Singapore | 04:08 → 05:22 | 11:59 | 0 min | 11:59 | 48 min | 7 Oct |
| Sydney | 06:38 → 07:52 | 11:20 | 0 min | 11:19 | 48 min | 7 Oct |
| Suva | 08:38 → 09:52 | 11:31 | 0 min | 11:30 | 48 min | 7 Oct |