Midday of Tuesday 4 September
Qualifies with 35 of 48 minutes. Not taken.
madhyāhna begins 12:30 13:18 madhyāhna ends
Aṣṭamī begins 12:42:23
11:4212:0612:3012:5413:1813:4214:06
35 of 48 minutes covered, the last 35
Ruling · Rādhāṣṭamī · 2068
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 Tuesday 4 September
Qualifies with 35 of 48 minutes. Not taken.
35 of 48 minutes covered, the last 35
Midday of Wednesday 5 September
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
46 of 48 minutes covered, the first 46
Aṅga
Aṣṭamī runs from 12:42 on Tue 4 Sep to 13:15 on Wed 5 Sep.
2068-09-04T09:42:23Z → 2068-09-05T10:15:08Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:30–13:18 on the 4th, 12:29–13:17 on the 5th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 35 of 48 minutes on the 4th and 46 of 48 on the 5th.
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 137 s < 300 s
Ruling
Rādhāṣṭamī, Cairo, 2068: Wednesday 5 September.
confidence: boundary (margin, tie-break-unstated)
In Cairo, Rādhāṣṭamī 2068 falls on Wednesday 5 September. Aṣṭamī runs from 12:42 on Tue 4 Sep to 13:15 on Wed 5 Sep and covers 46 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 35 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 17 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Wed 5 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 5 Sep |
| compat-drikpanchang | Comparison profile | Wed 5 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 4th | Covered | Madhyāhna 5th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 02:42 → 03:15 | 12:28 | 48 min | 12:27 | 0 min | 4 Sep |
| Chicago | 04:42 → 05:15 | 12:25 | 48 min | 12:25 | 0 min | 4 Sep |
| Jersey City | 05:42 → 06:15 | 12:31 | 48 min | 12:31 | 0 min | 4 Sep |
| Port of Spain | 05:42 → 06:15 | 11:41 | 48 min | 11:41 | 0 min | 4 Sep |
| London | 10:42 → 11:15 | 12:35 | 48 min | 12:35 | 0 min | 4 Sep |
| Durban | 11:42 → 12:15 | 11:31 | 37 min | 11:31 | 44 min | 5 Sep |
| Dubai | 13:42 → 14:15 | 11:54 | 0 min | 11:53 | 48 min | 5 Sep |
| Delhi | 15:12 → 15:45 | 11:56 | 0 min | 11:56 | 48 min | 5 Sep |
| Kolkata | 15:12 → 15:45 | 11:11 | 0 min | 11:11 | 48 min | 5 Sep |
| Singapore | 17:42 → 18:15 | 12:40 | 0 min | 12:39 | 48 min | 5 Sep |
| Sydney | 19:42 → 20:15 | 11:31 | 0 min | 11:30 | 48 min | 5 Sep |
| Suva | 21:42 → 22:15 | 11:42 | 0 min | 11:41 | 48 min | 5 Sep |