Midday of Sunday 8 September
Taken. The only midday Aṣṭamī reaches.
madhyāhna begins 11:38 12:26 madhyāhna ends
Aṣṭamī begins 11:37:37
10:5011:1411:3812:0212:2612:5013:14
48 of 48 minutes covered
Ruling · Rādhāṣṭamī · 1940
Boundaryin Tehran, under the Rashtriya Panchang method. A threshold is only 0 min 06 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Sunday 8 September
Taken. The only midday Aṣṭamī reaches.
48 of 48 minutes covered
Midday of Monday 9 September
Aṣṭamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Aṣṭamī runs from 11:38 on Sun 8 Sep to 10:35 on Mon 9 Sep.
1940-09-08T08:07:37Z → 1940-09-09T07:04:41Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 8th, 11:37–12:25 on the 9th.
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 8th and 0 of 48 on the 9th.
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 6 s < 300 s
Ruling
Rādhāṣṭamī, Tehran, 1940: Sunday 8 September.
confidence: boundary (margin)
In Tehran, Rādhāṣṭamī 1940 falls on Sunday 8 September. Aṣṭamī runs from 11:38 on Sun 8 Sep to 10:35 on Mon 9 Sep and covers all of madhyāhna that midday. It is 0 min 06 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sun 8 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Sun 8 Sep |
| compat-drikpanchang | Comparison profile | Sun 8 Sep |
| No institution has a recorded ruling for Tehran. | ||
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 8th | Covered | Madhyāhna 9th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 00:08 → 23:05 | 11:26 | 48 min | 11:26 | 0 min | 8 Sep |
| Chicago | 03:08 → 02:05 | 12:24 | 48 min | 12:23 | 0 min | 8 Sep |
| Jersey City | 04:08 → 03:05 | 12:30 | 48 min | 12:29 | 0 min | 8 Sep |
| Port of Spain | 04:08 → 03:05 | 11:40 | 48 min | 11:39 | 0 min | 8 Sep |
| London | 09:08 → 08:05 | 12:34 | 48 min | 12:33 | 0 min | 8 Sep |
| Durban | 10:08 → 09:05 | 11:30 | 48 min | 11:29 | 0 min | 8 Sep |
| Dubai | 12:08 → 11:05 | 11:52 | 33 min | 11:52 | 0 min | 8 Sep |
| Delhi | 13:38 → 12:35 | 11:55 | 0 min | 11:54 | 40 min | 9 Sep |
| Kolkata | 13:38 → 12:35 | 11:10 | 0 min | 11:10 | 48 min | 9 Sep |
| Singapore | 15:28 → 14:25 | 11:58 | 0 min | 11:58 | 48 min | 9 Sep |
| Sydney | 18:08 → 17:05 | 11:29 | 0 min | 11:29 | 48 min | 9 Sep |
| Suva | 20:08 → 19:05 | 11:40 | 0 min | 11:40 | 48 min | 9 Sep |