Midday of Saturday 29 August
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
madhyāhna begins 11:36 12:24 madhyāhna ends
Aṣṭamī begins 11:10:59
10:4811:1211:3612:0012:2412:4813:12
48 of 48 minutes covered
Ruling · Rādhāṣṭamī · 1903
Boundaryin Riyadh, 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 Saturday 29 August
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Sunday 30 August
Qualifies with 44 of 48 minutes. Not taken.
44 of 48 minutes covered, the first 44
Aṅga
Aṣṭamī runs from 11:10 on Sat 29 Aug to 12:20 on Sun 30 Aug.
1903-08-29T08:04:08Z → 1903-08-30T09:13:57Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 29th, 11:36–12:24 on the 30th.
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 29th and 44 of 48 on the 30th.
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 232 s < 300 s
Ruling
Rādhāṣṭamī, Riyadh, 1903: Saturday 29 August.
confidence: boundary (margin, tie-break-unstated)
In Riyadh, Rādhāṣṭamī 1903 falls on Saturday 29 August. Aṣṭamī runs from 11:10 on Sat 29 Aug to 12:20 on Sun 30 Aug and covers all of madhyāhna that midday. It also reaches the next midday for 44 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 52 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sat 29 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Sat 29 Aug |
| compat-drikpanchang | Comparison profile | Sat 29 Aug |
| No institution has a recorded ruling for Riyadh. | ||
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 29th | Covered | Madhyāhna 30th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 00:04 → 01:14 | 11:30 | 48 min | 11:29 | 0 min | 29 Aug |
| Chicago | 02:04 → 03:14 | 11:27 | 48 min | 11:27 | 0 min | 29 Aug |
| Jersey City | 03:04 → 04:14 | 11:33 | 48 min | 11:33 | 0 min | 29 Aug |
| Port of Spain | 04:04 → 05:14 | 11:43 | 48 min | 11:43 | 0 min | 29 Aug |
| London | 08:04 → 09:14 | 11:37 | 48 min | 11:37 | 0 min | 29 Aug |
| Durban | 10:04 → 11:14 | 11:33 | 48 min | 11:33 | 0 min | 29 Aug |
| Dubai | 11:45 → 12:55 | 11:37 | 40 min | 11:36 | 48 min | 30 Aug |
| Delhi | 13:25 → 14:35 | 11:49 | 0 min | 11:49 | 48 min | 30 Aug |
| Kolkata | 13:25 → 14:35 | 11:05 | 0 min | 11:04 | 48 min | 30 Aug |
| Singapore | 14:59 → 16:09 | 11:37 | 0 min | 11:37 | 48 min | 30 Aug |
| Sydney | 18:04 → 19:14 | 11:33 | 0 min | 11:32 | 48 min | 30 Aug |
| Suva | 19:59 → 21:09 | 11:39 | 0 min | 11:38 | 48 min | 30 Aug |