Midday of Tuesday 16 October
Taken. The only midday Aṣṭamī reaches.
48 of 48 minutes covered
Ruling · Mahāṣṭamī (Durga Ashtami) · 2018
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 35 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Tuesday 16 October
Taken. The only midday Aṣṭamī reaches.
48 of 48 minutes covered
Midday of Wednesday 17 October
Aṣṭamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Aṣṭamī runs from 08:17 on Tue 16 Oct to 10:50 on Wed 17 Oct.
2018-10-16T04:46:42Z → 2018-10-17T07:20:06Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:26–12:14 on the 16th, 11:25–12:13 on the 17th.
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 16th and 0 of 48 on the 17th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: paraviddha → only-day · margin 2121 s
Ruling
Mahāṣṭamī, Tehran, 2018: Tuesday 16 October.
confidence: determinate
In Tehran, Mahāṣṭamī (Durga Ashtami) 2018 falls on Tuesday 16 October. Aṣṭamī runs from 08:17 on Tue 16 Oct to 10:50 on Wed 17 Oct and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 16 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 16 Oct |
| compat-drikpanchang | Comparison profile | Wed 17 Oct |
| No institution has a recorded ruling for Tehran. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/mahashtami · ruleset 2026.3-draft
“S 8 Mahastami (paraviddha)” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.
Twelve places, west to east. Local clock times.
| Place | Aṣṭamī | Madhyāhna 16th | Covered | Madhyāhna 17th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 21:47 → 00:20 | 12:14 | 48 min | 12:14 | 0 min | 16 Oct |
| Chicago | 23:47 → 02:20 | 12:12 | 48 min | 12:12 | 0 min | 16 Oct |
| Jersey City | 00:47 → 03:20 | 12:18 | 48 min | 12:17 | 0 min | 16 Oct |
| Port of Spain | 00:47 → 03:20 | 11:28 | 48 min | 11:27 | 0 min | 16 Oct |
| London | 05:47 → 08:20 | 12:22 | 48 min | 12:21 | 0 min | 16 Oct |
| Durban | 06:47 → 09:20 | 11:18 | 48 min | 11:17 | 0 min | 16 Oct |
| Dubai | 08:47 → 11:20 | 11:40 | 48 min | 11:40 | 0 min | 16 Oct |
| Delhi | 10:17 → 12:50 | 11:42 | 48 min | 11:42 | 48 min | 17 Oct |
| Kolkata | 10:17 → 12:50 | 10:58 | 48 min | 10:58 | 48 min | 17 Oct |
| Singapore | 12:47 → 15:20 | 12:26 | 28 min | 12:26 | 48 min | 17 Oct |
| Sydney | 15:47 → 18:20 | 12:17 | 0 min | 12:17 | 48 min | 17 Oct |
| Suva | 16:47 → 19:20 | 11:28 | 0 min | 11:28 | 48 min | 17 Oct |