Midday of Tuesday 16 October
Qualifies with 48 of 48 minutes. Not taken.
madhyāhna begins 11:14 12:02 madhyāhna ends
Aṣṭamī begins 10:46:42
10:2610:5011:1411:3812:0212:2612:50
48 of 48 minutes covered
Ruling · Mahāṣṭamī (Durga Ashtami) · 2018
Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 27 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 Tuesday 16 October
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Midday of Wednesday 17 October
Taken. Both middays qualify; the rule takes the second.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 10:47 on Tue 16 Oct to 13:20 on Wed 17 Oct.
2018-10-16T04:46:42Z → 2018-10-17T07:20:06Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:14–12:02 on the 16th, 11:14–12:02 on the 17th.
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 16th and 48 of 48 on the 17th.
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 1647 s
Ruling
Mahāṣṭamī, Chattogram, 2018: Wednesday 17 October.
confidence: determinate
In Chattogram, Mahāṣṭamī (Durga Ashtami) 2018 falls on Wednesday 17 October. Aṣṭamī runs from 10:47 on Tue 16 Oct to 13:20 on Wed 17 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.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 17 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 17 Oct |
| compat-drikpanchang | Comparison profile | Wed 17 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 16th | Covered | Madhyāhna 17th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 21:47 → 00:20 | 12:14 | 48 min | 12:14 | 0 min | 16 Oct |
| Chicago | 23:47 → 02:20 | 12:12 | 48 min | 12:12 | 0 min | 16 Oct |
| Jersey City | 00:47 → 03:20 | 12:18 | 48 min | 12:17 | 0 min | 16 Oct |
| Port of Spain | 00:47 → 03:20 | 11:28 | 48 min | 11:27 | 0 min | 16 Oct |
| London | 05:47 → 08:20 | 12:22 | 48 min | 12:21 | 0 min | 16 Oct |
| Durban | 06:47 → 09:20 | 11:18 | 48 min | 11:17 | 0 min | 16 Oct |
| Dubai | 08:47 → 11:20 | 11:40 | 48 min | 11:40 | 0 min | 16 Oct |
| Delhi | 10:17 → 12:50 | 11:42 | 48 min | 11:42 | 48 min | 17 Oct |
| Kolkata | 10:17 → 12:50 | 10:58 | 48 min | 10:58 | 48 min | 17 Oct |
| Singapore | 12:47 → 15:20 | 12:26 | 28 min | 12:26 | 48 min | 17 Oct |
| Sydney | 15:47 → 18:20 | 12:17 | 0 min | 12:17 | 48 min | 17 Oct |
| Suva | 16:47 → 19:20 | 11:28 | 0 min | 11:28 | 48 min | 17 Oct |