Midday of Monday 29 September
Taken. The only midday Aṣṭamī reaches.
48 of 48 minutes covered
Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2025
Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 279 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Monday 29 September
Taken. The only midday Aṣṭamī reaches.
48 of 48 minutes covered
Midday of Tuesday 30 September
Aṣṭamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Aṅga
Aṣṭamī runs from 06:02 on Mon 29 Sep to 07:37 on Tue 30 Sep.
2025-09-29T11:02:14Z → 2025-09-30T12:36:37Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 29th, 12:16–13:04 on the 30th.
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 29th and 0 of 48 on the 30th.
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 16769 s
Ruling
Mahāṣṭamī, Chicago, 2025: Monday 29 September.
confidence: determinate
In Chicago, Mahāṣṭamī (Durga Ashtami) 2025 falls on Monday 29 September. Aṣṭamī runs from 06:02 on Mon 29 Sep to 07:37 on Tue 30 Sep and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Mon 29 Sep |
| Ahargaṇa, classical | Disc centre, no refraction | Mon 29 Sep |
| compat-drikpanchang | Comparison profile | Mon 29 Sep |
| No institution has a recorded ruling for Chicago. | ||
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 29th | Covered | Madhyāhna 30th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 04:02 → 05:37 | 12:19 | 48 min | 12:19 | 0 min | 29 Sep |
| Chicago | 06:02 → 07:37 | 12:16 | 48 min | 12:16 | 0 min | 29 Sep |
| Jersey City | 07:02 → 08:37 | 12:22 | 48 min | 12:22 | 0 min | 29 Sep |
| Port of Spain | 07:02 → 08:37 | 11:32 | 48 min | 11:32 | 0 min | 29 Sep |
| London | 12:02 → 13:37 | 12:26 | 48 min | 12:26 | 48 min | 30 Sep |
| Durban | 13:02 → 14:37 | 11:22 | 0 min | 11:22 | 48 min | 30 Sep |
| Dubai | 15:02 → 16:37 | 11:45 | 0 min | 11:45 | 48 min | 30 Sep |
| Delhi | 16:32 → 18:07 | 11:47 | 0 min | 11:47 | 48 min | 30 Sep |
| Kolkata | 16:32 → 18:07 | 11:03 | 0 min | 11:02 | 48 min | 30 Sep |
| Singapore | 19:02 → 20:37 | 12:31 | 0 min | 12:31 | 48 min | 30 Sep |
| Sydney | 21:02 → 22:37 | 11:22 | 0 min | 11:21 | 48 min | 30 Sep |
| Suva | 23:02 → 00:37 | 11:33 | 0 min | 11:33 | 48 min | 30 Sep |