Midday of Wednesday 17 September
Taken. The only midday Aṣṭamī reaches.
madhyāhna begins 11:23 12:11 madhyāhna ends
Aṣṭamī begins 11:18:45
10:3510:5911:2311:4712:1112:3512:59
48 of 48 minutes covered
Ruling · Rādhāṣṭamī · 2064
Boundaryin Chattogram, under the Rashtriya Panchang method. A threshold is only 4 min 12 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 Wednesday 17 September
Taken. The only midday Aṣṭamī reaches.
48 of 48 minutes covered
Midday of Thursday 18 September
Aṣṭamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Aṣṭamī runs from 11:19 on Wed 17 Sep to 10:24 on Thu 18 Sep.
2064-09-17T05:18:45Z → 2064-09-18T04:24:12Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 17th, 11:23–12:11 on the 18th.
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 17th and 0 of 48 on the 18th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: unstated → only-day · margin 252 s < 300 s
Ruling
Rādhāṣṭamī, Chattogram, 2064: Wednesday 17 September.
confidence: boundary (margin)
In Chattogram, Rādhāṣṭamī 2064 falls on Wednesday 17 September. Aṣṭamī runs from 11:19 on Wed 17 Sep to 10:24 on Thu 18 Sep and covers all of madhyāhna that midday. It is 4 min 12 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 17 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 17 Sep |
| compat-drikpanchang | Comparison profile | Wed 17 Sep |
| No institution has a recorded ruling for Chattogram. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/radhashtami · ruleset 2026.3-draft
“S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.
Twelve places, west to east. Local clock times.
| Place | Aṣṭamī | Madhyāhna 17th | Covered | Madhyāhna 18th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 22:19 → 21:24 | 12:23 | 48 min | 12:23 | 0 min | 17 Sep |
| Chicago | 00:19 → 23:24 | 12:21 | 48 min | 12:20 | 0 min | 17 Sep |
| Jersey City | 01:19 → 00:24 | 12:26 | 48 min | 12:26 | 0 min | 17 Sep |
| Port of Spain | 01:19 → 00:24 | 11:36 | 48 min | 11:36 | 0 min | 17 Sep |
| London | 06:19 → 05:24 | 12:30 | 48 min | 12:30 | 0 min | 17 Sep |
| Durban | 07:19 → 06:24 | 11:26 | 48 min | 11:26 | 0 min | 17 Sep |
| Dubai | 09:19 → 08:24 | 11:49 | 48 min | 11:49 | 0 min | 17 Sep |
| Delhi | 10:49 → 09:54 | 11:51 | 48 min | 11:51 | 0 min | 17 Sep |
| Kolkata | 10:49 → 09:54 | 11:07 | 48 min | 11:06 | 0 min | 17 Sep |
| Singapore | 13:19 → 12:24 | 12:35 | 4 min | 12:35 | 0 min | 17 Sep |
| Sydney | 15:19 → 14:24 | 11:26 | 0 min | 11:26 | 48 min | 18 Sep |
| Suva | 17:19 → 16:24 | 11:37 | 0 min | 11:37 | 48 min | 18 Sep |