Midday of Tuesday 15 October
Aṣṭamī is absent from madhyāhna. Not taken.
madhyāhna begins 11:15 12:03 madhyāhna ends
Aṣṭamī begins 12:26:25
10:2710:5111:1511:3912:0312:2712:51
0 of 48 minutes covered
Ruling · Mahāṣṭamī (Durga Ashtami) · 2086
Boundaryin Chattogram, under the Rashtriya Panchang method. A threshold is only 0 min 34 s away. Say “contested”.
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 Tuesday 15 October
Aṣṭamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Midday of Wednesday 16 October
Taken. The only midday Aṣṭamī reaches.
47 of 48 minutes covered, the first 47
Aṅga
Aṣṭamī runs from 12:26 on Tue 15 Oct to 12:02 on Wed 16 Oct.
2086-10-15T06:26:26Z → 2086-10-16T06:01:45Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 15th, 11:14–12:02 on the 16th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 47 of 48 on the 16th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: paraviddha → only-day · margin 34 s < 300 s
Ruling
Mahāṣṭamī, Chattogram, 2086: Wednesday 16 October.
confidence: boundary (margin)
In Chattogram, Mahāṣṭamī (Durga Ashtami) 2086 falls on Wednesday 16 October. Aṣṭamī runs from 12:26 on Tue 15 Oct to 12:02 on Wed 16 Oct and covers 47 of 48 minutes of madhyāhna that midday. It is 0 min 34 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 16 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 16 Oct |
| compat-drikpanchang | Comparison profile | Wed 16 Oct |
| No institution has a recorded ruling for Chattogram. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/mahashtami · ruleset 2026.3-draft
“S 8 Mahastami (paraviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Aṣṭamī | Madhyāhna 15th | Covered | Madhyāhna 16th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 23:26 → 23:02 | 12:15 | 48 min | 12:14 | 0 min | 15 Oct |
| Chicago | 01:26 → 01:02 | 12:12 | 48 min | 12:12 | 0 min | 15 Oct |
| Jersey City | 02:26 → 02:02 | 12:18 | 48 min | 12:18 | 0 min | 15 Oct |
| Port of Spain | 02:26 → 02:02 | 11:28 | 48 min | 11:28 | 0 min | 15 Oct |
| London | 07:26 → 07:02 | 12:22 | 48 min | 12:22 | 0 min | 15 Oct |
| Durban | 08:26 → 08:02 | 11:18 | 48 min | 11:18 | 0 min | 15 Oct |
| Dubai | 10:26 → 10:02 | 11:41 | 48 min | 11:40 | 0 min | 15 Oct |
| Delhi | 11:56 → 11:32 | 11:43 | 34 min | 11:43 | 0 min | 15 Oct |
| Kolkata | 11:56 → 11:32 | 10:58 | 0 min | 10:58 | 34 min | 16 Oct |
| Singapore | 14:26 → 14:02 | 12:27 | 0 min | 12:26 | 48 min | 16 Oct |
| Sydney | 17:26 → 17:02 | 12:17 | 0 min | 12:17 | 48 min | 16 Oct |
| Suva | 18:26 → 18:02 | 11:28 | 0 min | 11:28 | 48 min | 16 Oct |