Midday of Monday 26 August
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Ruling · Rādhāṣṭamī · 1963
Boundaryin Phoenix, 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 Monday 26 August
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Tuesday 27 August
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 10:43 on Mon 26 Aug to 13:01 on Tue 27 Aug.
1963-08-26T17:42:34Z → 1963-08-27T20:01:11Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 26th, 12:06–12:54 on the 27th.
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 26th and 48 of 48 on the 27th.
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 454 s
Ruling
Rādhāṣṭamī, Phoenix, 1963: Monday 26 August.
confidence: boundary (tie-break-unstated)
In Phoenix, Rādhāṣṭamī 1963 falls on Monday 26 August. Aṣṭamī runs from 10:43 on Mon 26 Aug to 13:01 on Tue 27 Aug and covers all of madhyāhna that midday. It also reaches the next midday for 48 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 | Mon 26 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 26 Aug |
| compat-drikpanchang | Comparison profile | Mon 26 Aug |
| No institution has a recorded ruling for Phoenix. | ||
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 26th | Covered | Madhyāhna 27th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 10:43 → 13:01 | 12:31 | 48 min | 12:30 | 31 min | 26 Aug |
| Chicago | 12:43 → 15:01 | 12:28 | 34 min | 12:28 | 48 min | 27 Aug |
| Jersey City | 13:43 → 16:01 | 12:34 | 0 min | 12:34 | 48 min | 27 Aug |
| Port of Spain | 13:43 → 16:01 | 11:44 | 0 min | 11:44 | 48 min | 27 Aug |
| London | 18:43 → 21:01 | 12:38 | 0 min | 12:38 | 48 min | 27 Aug |
| Durban | 19:43 → 22:01 | 11:34 | 0 min | 11:34 | 48 min | 27 Aug |
| Dubai | 21:43 → 00:01 | 11:57 | 0 min | 11:56 | 48 min | 27 Aug |
| Delhi | 23:13 → 01:31 | 11:59 | 0 min | 11:59 | 48 min | 27 Aug |
| Kolkata | 23:13 → 01:31 | 11:14 | 0 min | 11:14 | 48 min | 27 Aug |
| Singapore | 01:13 → 03:31 | 12:13 | 0 min | 12:12 | 48 min | 27 Aug |
| Sydney | 03:43 → 06:01 | 11:33 | 0 min | 11:33 | 48 min | 27 Aug |
| Suva | 05:43 → 08:01 | 11:44 | 0 min | 11:44 | 48 min | 27 Aug |