Midday of Monday 28 September
Qualifies with 12 of 48 minutes. Not taken.
madhyāhna begins 11:31 12:19 madhyāhna ends
Aṣṭamī begins 12:06:19
10:4311:0711:3111:5512:1912:4313:07
12 of 48 minutes covered, the last 12
Ruling · Mahāṣṭamī (Durga Ashtami) · 1998
Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 12 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Monday 28 September
Qualifies with 12 of 48 minutes. Not taken.
12 of 48 minutes covered, the last 12
Midday of Tuesday 29 September
Taken. Both middays qualify; the rule takes the second.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 12:06 on Mon 28 Sep to 13:05 on Tue 29 Sep.
1998-09-28T08:36:19Z → 1998-09-29T09:35:01Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 28th, 11:30–12:18 on the 29th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 12 of 48 minutes on the 28th and 48 of 48 on the 29th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Both middays qualify. Paraviddhā: the second is taken.
priority: paraviddha → paraviddha · margin 749 s
Ruling
Mahāṣṭamī, Tehran, 1998: Tuesday 29 September.
confidence: determinate
In Tehran, Mahāṣṭamī (Durga Ashtami) 1998 falls on Tuesday 29 September. Aṣṭamī runs from 12:06 on Mon 28 Sep to 13:05 on Tue 29 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 12 minutes; by the rule the second midday is taken.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Tue 29 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Tue 29 Sep |
| compat-drikpanchang | Comparison profile | Tue 29 Sep |
| 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 28th | Covered | Madhyāhna 29th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 01:36 → 02:35 | 12:19 | 48 min | 12:19 | 0 min | 28 Sep |
| Chicago | 03:36 → 04:35 | 12:17 | 48 min | 12:17 | 0 min | 28 Sep |
| Jersey City | 04:36 → 05:35 | 12:23 | 48 min | 12:22 | 0 min | 28 Sep |
| Port of Spain | 04:36 → 05:35 | 11:33 | 48 min | 11:32 | 0 min | 28 Sep |
| London | 09:36 → 10:35 | 12:27 | 48 min | 12:26 | 0 min | 28 Sep |
| Durban | 10:36 → 11:35 | 11:23 | 48 min | 11:23 | 12 min | 29 Sep |
| Dubai | 12:36 → 13:35 | 11:45 | 0 min | 11:45 | 48 min | 29 Sep |
| Delhi | 14:06 → 15:05 | 11:48 | 0 min | 11:47 | 48 min | 29 Sep |
| Kolkata | 14:06 → 15:05 | 11:03 | 0 min | 11:03 | 48 min | 29 Sep |
| Singapore | 16:36 → 17:35 | 12:31 | 0 min | 12:31 | 48 min | 29 Sep |
| Sydney | 18:36 → 19:35 | 11:22 | 0 min | 11:22 | 48 min | 29 Sep |
| Suva | 20:36 → 21:35 | 11:33 | 0 min | 11:33 | 48 min | 29 Sep |