Midday of Saturday 25 August
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
30 of 48 minutes covered, the last 30
Ruling · Rādhāṣṭamī · 1917
Boundaryin Thāne, 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 25 August
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
30 of 48 minutes covered, the last 30
Midday of Sunday 26 August
Qualifies with 14 of 48 minutes. Not taken.
14 of 48 minutes covered, the first 14
Aṅga
Aṣṭamī runs from 12:35 on Sat 25 Aug to 12:30 on Sun 26 Aug.
1917-08-25T07:04:35Z → 1917-08-26T07:00:09Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 25th, 12:16–13:04 on the 26th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 30 of 48 minutes on the 25th and 14 of 48 on the 26th.
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 855 s
Ruling
Rādhāṣṭamī, Thāne, 1917: Saturday 25 August.
confidence: boundary (tie-break-unstated)
In Thāne, Rādhāṣṭamī 1917 falls on Saturday 25 August. Aṣṭamī runs from 12:35 on Sat 25 Aug to 12:30 on Sun 26 Aug and covers 30 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 14 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 | Sat 25 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Sat 25 Aug |
| compat-drikpanchang | Comparison profile | Sat 25 Aug |
| No institution has a recorded ruling for Thāne. | ||
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 25th | Covered | Madhyāhna 26th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 23:05 → 23:00 | 11:31 | 48 min | 11:30 | 0 min | 25 Aug |
| Chicago | 01:05 → 01:00 | 11:28 | 48 min | 11:28 | 0 min | 25 Aug |
| Jersey City | 02:05 → 02:00 | 11:34 | 48 min | 11:34 | 0 min | 25 Aug |
| Port of Spain | 03:05 → 03:00 | 11:44 | 48 min | 11:44 | 0 min | 25 Aug |
| London | 08:05 → 08:00 | 12:38 | 48 min | 12:38 | 0 min | 25 Aug |
| Durban | 09:05 → 09:00 | 11:34 | 48 min | 11:34 | 0 min | 25 Aug |
| Dubai | 10:46 → 10:41 | 11:38 | 48 min | 11:37 | 0 min | 25 Aug |
| Delhi | 12:35 → 12:30 | 11:59 | 12 min | 11:59 | 31 min | 26 Aug |
| Kolkata | 12:35 → 12:30 | 11:15 | 0 min | 11:14 | 48 min | 26 Aug |
| Singapore | 14:05 → 14:00 | 11:43 | 0 min | 11:43 | 48 min | 26 Aug |
| Sydney | 17:05 → 17:00 | 11:34 | 0 min | 11:33 | 48 min | 26 Aug |
| Suva | 19:05 → 19:00 | 11:45 | 0 min | 11:44 | 48 min | 26 Aug |