Midday of Thursday 31 August
Qualifies with 37 of 48 minutes. Not taken.
madhyāhna begins 11:32 12:20 madhyāhna ends
Aṣṭamī begins 11:42:53
10:4411:0811:3211:5612:2012:4413:08
37 of 48 minutes covered, the last 37
Ruling · Rādhāṣṭamī · 1911
Boundaryin Daegu, 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 Thursday 31 August
Qualifies with 37 of 48 minutes. Not taken.
37 of 48 minutes covered, the last 37
Midday of Friday 1 September
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 11:43 on Thu 31 Aug to 14:02 on Fri 1 Sep.
1911-08-31T03:12:54Z → 1911-09-01T05:31:59Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:32–12:20 on the 31st, 11:32–12:20 on the 1st.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 37 of 48 minutes on the 31st and 48 of 48 on the 1st.
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 657 s
Ruling
Rādhāṣṭamī, Daegu, 1911: Friday 1 September.
confidence: boundary (tie-break-unstated)
In Daegu, Rādhāṣṭamī 1911 falls on Friday 1 September. Aṣṭamī runs from 11:43 on Thu 31 Aug to 14:02 on Fri 1 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 37 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 | Fri 1 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 1 Sep |
| compat-drikpanchang | Comparison profile | Fri 1 Sep |
| No institution has a recorded ruling for Daegu. | ||
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 31st | Covered | Madhyāhna 1st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:13 → 21:32 | 11:29 | 48 min | 11:29 | 0 min | 31 Aug |
| Chicago | 21:13 → 23:32 | 11:27 | 48 min | 11:26 | 0 min | 31 Aug |
| Jersey City | 22:13 → 00:32 | 11:32 | 48 min | 11:32 | 0 min | 31 Aug |
| Port of Spain | 23:13 → 01:32 | 11:42 | 48 min | 11:42 | 0 min | 31 Aug |
| London | 03:13 → 05:32 | 11:37 | 48 min | 11:36 | 0 min | 31 Aug |
| Durban | 05:13 → 07:32 | 11:33 | 48 min | 11:32 | 0 min | 31 Aug |
| Dubai | 06:54 → 09:13 | 11:36 | 48 min | 11:36 | 0 min | 31 Aug |
| Delhi | 08:43 → 11:02 | 11:57 | 48 min | 11:57 | 0 min | 31 Aug |
| Kolkata | 08:43 → 11:02 | 11:13 | 48 min | 11:13 | 0 min | 31 Aug |
| Singapore | 10:13 → 12:32 | 11:41 | 48 min | 11:41 | 48 min | 31 Aug |
| Sydney | 13:13 → 15:32 | 11:32 | 0 min | 11:32 | 48 min | 1 Sep |
| Suva | 15:08 → 17:27 | 11:38 | 0 min | 11:38 | 48 min | 1 Sep |