Midday of Wednesday 23 September
Qualifies with 39 of 48 minutes. Not taken.
madhyāhna begins 11:23 12:11 madhyāhna ends
Aṣṭamī begins 11:32:13
10:3510:5911:2311:4712:1112:3512:59
39 of 48 minutes covered, the last 39
Ruling · Rādhāṣṭamī · 1936
Boundaryin Cairo, under the Rashtriya Panchang method. Both middays qualify and the rule does not say which to take. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Wednesday 23 September
Qualifies with 39 of 48 minutes. Not taken.
39 of 48 minutes covered, the last 39
Midday of Thursday 24 September
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 11:32 on Wed 23 Sep to 12:41 on Thu 24 Sep.
1936-09-23T09:32:14Z → 1936-09-24T10:41:18Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:23–12:11 on the 23rd, 11:23–12:11 on the 24th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 39 of 48 minutes on the 23rd and 48 of 48 on the 24th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
Tie-break
Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.
priority: unstated → greater-coverage · margin 544 s
Ruling
Rādhāṣṭamī, Cairo, 1936: Thursday 24 September.
confidence: boundary (tie-break-unstated)
In Cairo, Rādhāṣṭamī 1936 falls on Thursday 24 September. Aṣṭamī runs from 11:32 on Wed 23 Sep to 12:41 on Thu 24 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 39 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 24 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 24 Sep |
| compat-drikpanchang | Comparison profile | Thu 24 Sep |
| No institution has a recorded ruling for Cairo. | ||
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 23rd | Covered | Madhyāhna 24th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 01:32 → 02:41 | 11:21 | 48 min | 11:21 | 0 min | 23 Sep |
| Chicago | 04:32 → 05:41 | 12:19 | 48 min | 12:18 | 0 min | 23 Sep |
| Jersey City | 05:32 → 06:41 | 12:24 | 48 min | 12:24 | 0 min | 23 Sep |
| Port of Spain | 05:32 → 06:41 | 11:34 | 48 min | 11:34 | 0 min | 23 Sep |
| London | 10:32 → 11:41 | 12:28 | 48 min | 12:28 | 0 min | 23 Sep |
| Durban | 11:32 → 12:41 | 11:25 | 40 min | 11:24 | 48 min | 24 Sep |
| Dubai | 13:32 → 14:41 | 11:47 | 0 min | 11:47 | 48 min | 24 Sep |
| Delhi | 15:02 → 16:11 | 11:49 | 0 min | 11:49 | 48 min | 24 Sep |
| Kolkata | 15:02 → 16:11 | 11:05 | 0 min | 11:04 | 48 min | 24 Sep |
| Singapore | 16:52 → 18:01 | 11:53 | 0 min | 11:53 | 48 min | 24 Sep |
| Sydney | 19:32 → 20:41 | 11:24 | 0 min | 11:24 | 48 min | 24 Sep |
| Suva | 21:32 → 22:41 | 11:35 | 0 min | 11:35 | 48 min | 24 Sep |