Midday of Tuesday 3 September
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
madhyāhna begins 12:15 13:03 madhyāhna ends
11:2711:5112:1512:3913:0313:2713:51
48 of 48 minutes covered
Ruling · Rādhāṣṭamī · 1946
Boundaryin Daqing, 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 3 September
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Wednesday 4 September
Qualifies with 48 of 48 minutes. Not taken.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 10:32 on Tue 3 Sep to 13:06 on Wed 4 Sep.
1946-09-03T01:31:46Z → 1946-09-04T04:06:13Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:15–13:03 on the 3rd, 12:15–13:03 on the 4th.
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 3rd and 48 of 48 on the 4th.
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 204 s < 300 s
Ruling
Rādhāṣṭamī, Daqing, 1946: Tuesday 3 September.
confidence: boundary (margin, tie-break-unstated)
In Daqing, Rādhāṣṭamī 1946 falls on Tuesday 3 September. Aṣṭamī runs from 10:32 on Tue 3 Sep to 13:06 on Wed 4 Sep 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. It is 3 min 24 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 3 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 3 Sep |
| compat-drikpanchang | Comparison profile | Tue 3 Sep |
| No institution has a recorded ruling for Daqing. | ||
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 3rd | Covered | Madhyāhna 4th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 17:32 → 20:06 | 11:28 | 48 min | 11:28 | 0 min | 3 Sep |
| Chicago | 20:32 → 23:06 | 12:26 | 48 min | 12:25 | 0 min | 3 Sep |
| Jersey City | 21:32 → 00:06 | 12:31 | 48 min | 12:31 | 0 min | 3 Sep |
| Port of Spain | 21:32 → 00:06 | 11:41 | 48 min | 11:41 | 0 min | 3 Sep |
| London | 02:32 → 05:06 | 12:35 | 48 min | 12:35 | 0 min | 3 Sep |
| Durban | 03:32 → 06:06 | 11:32 | 48 min | 11:31 | 0 min | 3 Sep |
| Dubai | 05:32 → 08:06 | 11:54 | 48 min | 11:54 | 0 min | 3 Sep |
| Delhi | 07:02 → 09:36 | 11:56 | 48 min | 11:56 | 0 min | 3 Sep |
| Kolkata | 07:02 → 09:36 | 11:12 | 48 min | 11:12 | 0 min | 3 Sep |
| Singapore | 09:02 → 11:36 | 12:10 | 48 min | 12:10 | 0 min | 3 Sep |
| Sydney | 11:32 → 14:06 | 11:31 | 47 min | 11:31 | 48 min | 4 Sep |
| Suva | 13:32 → 16:06 | 11:42 | 0 min | 11:42 | 48 min | 4 Sep |