Midday of Saturday 17 October
Aṣṭamī is absent from madhyāhna. Not taken.
madhyāhna begins 12:12 13:00 madhyāhna ends
11:2411:4812:1212:3613:0013:2413:48
0 of 48 minutes covered
Ruling · Mahāṣṭamī (Durgāṣṭamī) · 2026
Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 539 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Saturday 17 October
Aṣṭamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Midday of Sunday 18 October
Taken. The only midday Aṣṭamī reaches.
48 of 48 minutes covered
Aṅga
Aṣṭamī runs from 21:59 on Sat 17 Oct to 00:22 on Mon 19 Oct.
2026-10-18T02:58:39Z → 2026-10-19T05:22:16Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:12–13:00 on the 17th, 12:11–12:59 on the 18th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 17th and 48 of 48 on the 18th.
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 32343 s
Ruling
Mahāṣṭamī, Chicago, 2026: Sunday 18 October.
confidence: determinate
In Chicago, Mahāṣṭamī (Durga Ashtami) 2026 falls on Sunday 18 October. Aṣṭamī runs from 21:59 on Sat 17 Oct to 00:22 on Mon 19 Oct and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Sun 18 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Sun 18 Oct |
| compat-drikpanchang | Comparison profile | Sun 18 Oct |
| 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 18th | Covered | Madhyāhna 19th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 19:59 → 22:22 | 12:14 | 48 min | 12:14 | 0 min | 18 Oct |
| Chicago | 21:59 → 00:22 | 12:11 | 48 min | 12:11 | 0 min | 18 Oct |
| Jersey City | 22:59 → 01:22 | 12:17 | 48 min | 12:17 | 0 min | 18 Oct |
| Port of Spain | 22:59 → 01:22 | 11:27 | 48 min | 11:27 | 0 min | 18 Oct |
| London | 03:59 → 06:22 | 12:21 | 48 min | 12:21 | 0 min | 18 Oct |
| Durban | 04:59 → 07:22 | 11:17 | 48 min | 11:17 | 0 min | 18 Oct |
| Dubai | 06:59 → 09:22 | 11:40 | 48 min | 11:40 | 0 min | 18 Oct |
| Delhi | 08:29 → 10:52 | 11:42 | 48 min | 11:42 | 0 min | 18 Oct |
| Kolkata | 08:29 → 10:52 | 10:58 | 48 min | 10:57 | 0 min | 18 Oct |
| Singapore | 10:59 → 13:22 | 12:26 | 48 min | 12:26 | 48 min | 19 Oct |
| Sydney | 13:59 → 16:22 | 12:17 | 0 min | 12:17 | 48 min | 19 Oct |
| Suva | 14:59 → 17:22 | 11:28 | 0 min | 11:27 | 48 min | 19 Oct |