Midday of Tuesday 3 September
Qualifies with 17 of 48 minutes. Not taken.
17 of 48 minutes covered, the last 17
Ruling · Rādhāṣṭamī · 2041
Boundaryin Xining, 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
Qualifies with 17 of 48 minutes. Not taken.
17 of 48 minutes covered, the last 17
Midday of Wednesday 4 September
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
19 of 48 minutes covered, the first 19
Aṅga
Aṣṭamī runs from 13:19 on Tue 3 Sep to 13:07 on Wed 4 Sep.
2041-09-03T05:19:06Z → 2041-09-04T05:06:40Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:48–13:36 on the 3rd, 12:48–13:36 on the 4th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 17 of 48 minutes on the 3rd and 19 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 1018 s
Ruling
Rādhāṣṭamī, Xining, 2041: Wednesday 4 September.
confidence: boundary (tie-break-unstated)
In Xining, Rādhāṣṭamī 2041 falls on Wednesday 4 September. Aṣṭamī runs from 13:19 on Tue 3 Sep to 13:07 on Wed 4 Sep and covers 19 of 48 minutes of madhyāhna that midday. It also reaches the previous midday for 17 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 | Wed 4 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Wed 4 Sep |
| compat-drikpanchang | Comparison profile | Wed 4 Sep |
| No institution has a recorded ruling for Xining. | ||
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 | 22:19 → 22:07 | 12:28 | 48 min | 12:28 | 0 min | 3 Sep |
| Chicago | 00:19 → 00:07 | 12:25 | 48 min | 12:25 | 0 min | 3 Sep |
| Jersey City | 01:19 → 01:07 | 12:31 | 48 min | 12:31 | 0 min | 3 Sep |
| Port of Spain | 01:19 → 01:07 | 11:41 | 48 min | 11:41 | 0 min | 3 Sep |
| London | 06:19 → 06:07 | 12:35 | 48 min | 12:35 | 0 min | 3 Sep |
| Durban | 07:19 → 07:07 | 11:31 | 48 min | 11:31 | 0 min | 3 Sep |
| Dubai | 09:19 → 09:07 | 11:54 | 48 min | 11:54 | 0 min | 3 Sep |
| Delhi | 10:49 → 10:37 | 11:56 | 48 min | 11:56 | 0 min | 3 Sep |
| Kolkata | 10:49 → 10:37 | 11:12 | 48 min | 11:11 | 0 min | 3 Sep |
| Singapore | 13:19 → 13:07 | 12:40 | 9 min | 12:40 | 27 min | 4 Sep |
| Sydney | 15:19 → 15:07 | 11:31 | 0 min | 11:31 | 48 min | 4 Sep |
| Suva | 17:19 → 17:07 | 11:42 | 0 min | 11:42 | 48 min | 4 Sep |