Midday of Tuesday 13 October
Qualifies with 48 of 48 minutes. Not taken.
madhyāhna begins 11:15 12:03 madhyāhna ends
10:2710:5111:1511:3912:0312:2712:51
48 of 48 minutes covered
Ruling · Mahāṣṭamī (Durga Ashtami) · 1964
Boundaryin Chattogram, under the Rashtriya Panchang method. A threshold is only 3 min 58 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 13 October
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Midday of Wednesday 14 October
Taken. Both middays qualify; the rule takes the second.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 09:41 on Tue 13 Oct to 12:07 on Wed 14 Oct.
1964-10-13T03:40:53Z → 1964-10-14T06:06:33Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 13th, 11:15–12:03 on the 14th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 13th and 48 of 48 on the 14th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Both middays qualify. Paraviddhā: the second is taken.
priority: paraviddha → paraviddha · margin 238 s < 300 s
Ruling
Mahāṣṭamī, Chattogram, 1964: Wednesday 14 October.
confidence: boundary (margin)
In Chattogram, Mahāṣṭamī (Durga Ashtami) 1964 falls on Wednesday 14 October. Aṣṭamī runs from 09:41 on Tue 13 Oct to 12:07 on Wed 14 Oct and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken. It is 3 min 58 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 14 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 14 Oct |
| compat-drikpanchang | Comparison profile | Wed 14 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 13th | Covered | Madhyāhna 14th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 20:41 → 23:07 | 12:15 | 48 min | 12:15 | 0 min | 13 Oct |
| Chicago | 22:41 → 01:07 | 12:12 | 48 min | 12:12 | 0 min | 13 Oct |
| Jersey City | 23:41 → 02:07 | 12:18 | 48 min | 12:18 | 0 min | 13 Oct |
| Port of Spain | 23:41 → 02:07 | 11:28 | 48 min | 11:28 | 0 min | 13 Oct |
| London | 04:41 → 07:07 | 12:22 | 48 min | 12:22 | 0 min | 13 Oct |
| Durban | 05:41 → 08:07 | 11:18 | 48 min | 11:18 | 0 min | 13 Oct |
| Dubai | 07:41 → 10:07 | 11:41 | 48 min | 11:41 | 0 min | 13 Oct |
| Delhi | 09:11 → 11:37 | 11:43 | 48 min | 11:43 | 0 min | 13 Oct |
| Kolkata | 09:11 → 11:37 | 10:59 | 48 min | 10:58 | 38 min | 14 Oct |
| Singapore | 11:11 → 13:37 | 11:57 | 48 min | 11:57 | 48 min | 14 Oct |
| Sydney | 13:41 → 16:07 | 11:18 | 0 min | 11:18 | 48 min | 14 Oct |
| Suva | 15:41 → 18:07 | 11:29 | 0 min | 11:29 | 48 min | 14 Oct |