Midday of Thursday 31 August
Taken. The only midday Aṣṭamī reaches.
madhyāhna begins 11:36 12:24 madhyāhna ends
10:4811:1211:3612:0012:2412:4813:12
48 of 48 minutes covered
Ruling · Rādhāṣṭamī · 1911
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 158 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Thursday 31 August
Taken. The only midday Aṣṭamī reaches.
48 of 48 minutes covered
Midday of Friday 1 September
Aṣṭamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Aṣṭamī runs from 06:38 on Thu 31 Aug to 08:57 on Fri 1 Sep.
1911-08-31T03:12:54Z → 1911-09-01T05:31:59Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:36–12:24 on the 31st, 11:35–12:23 on the 1st.
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 31st and 0 of 48 on the 1st.
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 9499 s
Ruling
Rādhāṣṭamī, Tehran, 1911: Thursday 31 August.
confidence: determinate
In Tehran, Rādhāṣṭamī 1911 falls on Thursday 31 August. Aṣṭamī runs from 06:38 on Thu 31 Aug to 08:57 on Fri 1 Sep and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Thu 31 Aug |
| Ahargaṇa, classical | Disc centre, no refraction | Thu 31 Aug |
| compat-drikpanchang | Comparison profile | Thu 31 Aug |
| 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 31st | Covered | Madhyāhna 1st | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:13 → 21:32 | 11:29 | 48 min | 11:29 | 0 min | 31 Aug |
| Chicago | 21:13 → 23:32 | 11:27 | 48 min | 11:26 | 0 min | 31 Aug |
| Jersey City | 22:13 → 00:32 | 11:32 | 48 min | 11:32 | 0 min | 31 Aug |
| Port of Spain | 23:13 → 01:32 | 11:42 | 48 min | 11:42 | 0 min | 31 Aug |
| London | 03:13 → 05:32 | 11:37 | 48 min | 11:36 | 0 min | 31 Aug |
| Durban | 05:13 → 07:32 | 11:33 | 48 min | 11:32 | 0 min | 31 Aug |
| Dubai | 06:54 → 09:13 | 11:36 | 48 min | 11:36 | 0 min | 31 Aug |
| Delhi | 08:43 → 11:02 | 11:57 | 48 min | 11:57 | 0 min | 31 Aug |
| Kolkata | 08:43 → 11:02 | 11:13 | 48 min | 11:13 | 0 min | 31 Aug |
| Singapore | 10:13 → 12:32 | 11:41 | 48 min | 11:41 | 48 min | 31 Aug |
| Sydney | 13:13 → 15:32 | 11:32 | 0 min | 11:32 | 48 min | 1 Sep |
| Suva | 15:08 → 17:27 | 11:38 | 0 min | 11:38 | 48 min | 1 Sep |