Midday of Monday 10 October
Taken. The only midday Aṣṭamī reaches.
madhyāhna begins 11:27 12:15 madhyāhna ends
Aṣṭamī begins 11:27:27
10:3911:0311:2711:5112:1512:3913:03
48 of 48 minutes covered
Ruling · Mahāṣṭamī (Durga Ashtami) · 2005
Boundaryin Tehran, under the Rashtriya Panchang method. A threshold is only 0 min 23 s away. Say “contested”.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Monday 10 October
Taken. The only midday Aṣṭamī reaches.
48 of 48 minutes covered
Midday of Tuesday 11 October
Aṣṭamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Aṣṭamī runs from 11:27 on Mon 10 Oct to 09:29 on Tue 11 Oct.
2005-10-10T07:57:27Z → 2005-10-11T05:59:14Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 10th, 11:27–12:15 on the 11th.
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 10th and 0 of 48 on the 11th.
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 23 s < 300 s
Ruling
Mahāṣṭamī, Tehran, 2005: Monday 10 October.
confidence: boundary (margin)
In Tehran, Mahāṣṭamī (Durga Ashtami) 2005 falls on Monday 10 October. Aṣṭamī runs from 11:27 on Mon 10 Oct to 09:29 on Tue 11 Oct and covers all of madhyāhna that midday. It is 0 min 23 s from a threshold: treat the date as contested.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 10 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 10 Oct |
| compat-drikpanchang | Comparison profile | Mon 10 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 10th | Covered | Madhyāhna 11th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 00:57 → 22:59 | 12:16 | 48 min | 12:15 | 0 min | 10 Oct |
| Chicago | 02:57 → 00:59 | 12:13 | 48 min | 12:13 | 0 min | 10 Oct |
| Jersey City | 03:57 → 01:59 | 12:19 | 48 min | 12:19 | 0 min | 10 Oct |
| Port of Spain | 03:57 → 01:59 | 11:29 | 48 min | 11:29 | 0 min | 10 Oct |
| London | 08:57 → 06:59 | 12:23 | 48 min | 12:23 | 0 min | 10 Oct |
| Durban | 09:57 → 07:59 | 11:19 | 48 min | 11:19 | 0 min | 10 Oct |
| Dubai | 11:57 → 09:59 | 11:42 | 32 min | 11:41 | 0 min | 10 Oct |
| Delhi | 13:27 → 11:29 | 11:44 | 0 min | 11:44 | 0 min | 11 Oct |
| Kolkata | 13:27 → 11:29 | 10:59 | 0 min | 10:59 | 30 min | 11 Oct |
| Singapore | 15:57 → 13:59 | 12:28 | 0 min | 12:27 | 48 min | 11 Oct |
| Sydney | 17:57 → 15:59 | 11:19 | 0 min | 11:18 | 48 min | 11 Oct |
| Suva | 19:57 → 17:59 | 11:30 | 0 min | 11:29 | 48 min | 11 Oct |