Midday of Tuesday 5 September
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
madhyāhna begins 12:47 13:35 madhyāhna ends
11:5912:2312:4713:1113:3513:5914:23
48 of 48 minutes covered
Ruling · Rādhāṣṭamī · 2000
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 5 September
Taken. Both middays qualify; the rule is silent, and this one is covered longer.
48 of 48 minutes covered
Midday of Wednesday 6 September
Qualifies with 42 of 48 minutes. Not taken.
42 of 48 minutes covered, the first 42
Aṅga
Aṣṭamī runs from 11:34 on Tue 5 Sep to 13:29 on Wed 6 Sep.
2000-09-05T03:34:16Z → 2000-09-06T05:28:58Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:47–13:35 on the 5th, 12:47–13:35 on the 6th.
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 5th and 42 of 48 on the 6th.
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 361 s
Ruling
Rādhāṣṭamī, Xining, 2000: Tuesday 5 September.
confidence: boundary (tie-break-unstated)
In Xining, Rādhāṣṭamī 2000 falls on Tuesday 5 September. Aṣṭamī runs from 11:34 on Tue 5 Sep to 13:29 on Wed 6 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 42 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 | Tue 5 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 5 Sep |
| compat-drikpanchang | Comparison profile | Tue 5 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 5th | Covered | Madhyāhna 6th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 20:34 → 22:29 | 12:27 | 48 min | 12:27 | 0 min | 5 Sep |
| Chicago | 22:34 → 00:29 | 12:25 | 48 min | 12:24 | 0 min | 5 Sep |
| Jersey City | 23:34 → 01:29 | 12:30 | 48 min | 12:30 | 0 min | 5 Sep |
| Port of Spain | 23:34 → 01:29 | 11:41 | 48 min | 11:40 | 0 min | 5 Sep |
| London | 04:34 → 06:29 | 12:35 | 48 min | 12:34 | 0 min | 5 Sep |
| Durban | 05:34 → 07:29 | 11:31 | 48 min | 11:30 | 0 min | 5 Sep |
| Dubai | 07:34 → 09:29 | 11:53 | 48 min | 11:53 | 0 min | 5 Sep |
| Delhi | 09:04 → 10:59 | 11:55 | 48 min | 11:55 | 0 min | 5 Sep |
| Kolkata | 09:04 → 10:59 | 11:11 | 48 min | 11:11 | 0 min | 5 Sep |
| Singapore | 11:34 → 13:29 | 12:39 | 48 min | 12:39 | 48 min | 5 Sep |
| Sydney | 14:34 → 16:29 | 12:30 | 0 min | 12:30 | 48 min | 6 Sep |
| Suva | 15:34 → 17:29 | 11:41 | 0 min | 11:41 | 48 min | 6 Sep |