Midday of Sunday 16 September
Aṣṭamī is absent from madhyāhna. Not taken.
madhyāhna begins 11:24 12:12 madhyāhna ends
10:3611:0011:2411:4812:1212:3613:00
0 of 48 minutes covered
Ruling · Rādhāṣṭamī · 2018
Determinatein Riyadh, under the Rashtriya Panchang method. Clear of every threshold by 73 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Sunday 16 September
Aṣṭamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Midday of Monday 17 September
Taken. The only midday Aṣṭamī reaches.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 13:24 on Sun 16 Sep to 15:15 on Mon 17 Sep.
2018-09-16T10:24:25Z → 2018-09-17T12:14:32Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 16th, 11:23–12:11 on the 17th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 16th and 48 of 48 on the 17th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: unstated → only-day · margin 4355 s
Ruling
Rādhāṣṭamī, Riyadh, 2018: Monday 17 September.
confidence: determinate
In Riyadh, Rādhāṣṭamī 2018 falls on Monday 17 September. Aṣṭamī runs from 13:24 on Sun 16 Sep to 15:15 on Mon 17 Sep and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 17 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 17 Sep |
| compat-drikpanchang | Comparison profile | Mon 17 Sep |
| No institution has a recorded ruling for Riyadh. | ||
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 16th | Covered | Madhyāhna 17th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 03:24 → 05:15 | 12:23 | 48 min | 12:23 | 0 min | 16 Sep |
| Chicago | 05:24 → 07:15 | 12:21 | 48 min | 12:21 | 0 min | 16 Sep |
| Jersey City | 06:24 → 08:15 | 12:27 | 48 min | 12:26 | 0 min | 16 Sep |
| Port of Spain | 06:24 → 08:15 | 11:37 | 48 min | 11:36 | 0 min | 16 Sep |
| London | 11:24 → 13:15 | 12:31 | 48 min | 12:30 | 44 min | 16 Sep |
| Durban | 12:24 → 14:15 | 11:27 | 0 min | 11:27 | 48 min | 17 Sep |
| Dubai | 14:24 → 16:15 | 11:49 | 0 min | 11:49 | 48 min | 17 Sep |
| Delhi | 15:54 → 17:45 | 11:52 | 0 min | 11:51 | 48 min | 17 Sep |
| Kolkata | 15:54 → 17:45 | 11:07 | 0 min | 11:07 | 48 min | 17 Sep |
| Singapore | 18:24 → 20:15 | 12:36 | 0 min | 12:35 | 48 min | 17 Sep |
| Sydney | 20:24 → 22:15 | 11:26 | 0 min | 11:26 | 48 min | 17 Sep |
| Suva | 22:24 → 00:15 | 11:37 | 0 min | 11:37 | 48 min | 17 Sep |