Midday of Thursday 7 October
Navamī is absent from madhyāhna. Not taken.
madhyāhna begins 12:14 13:02 madhyāhna ends
11:2611:5012:1412:3813:0213:2613:50
0 of 48 minutes covered
Ruling · Mahānavamī · 2027
Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 416 minutes.
One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.
Midday of Thursday 7 October
Navamī is absent from madhyāhna. Not taken.
0 of 48 minutes covered
Midday of Friday 8 October
Taken. The only midday Navamī reaches.
48 of 48 minutes covered
Aṅga
Navamī runs from 19:58 on Thu 7 Oct to 22:32 on Fri 8 Oct.
2027-10-08T00:58:02Z → 2027-10-09T03:32:27Z
Kāla
Madhyāhna is 1 ghaṭikā either side of midday: 12:14–13:02 on the 7th, 12:14–13:02 on the 8th.
madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
Rule
Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 7th and 48 of 48 on the 8th.
Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
Tie-break
Only one midday qualifies. No tie-break is needed.
priority: purvaviddha → only-day · margin 24956 s
Ruling
Mahānavamī, Chicago, 2027: Friday 8 October.
confidence: determinate
In Chicago, Mahānavamī 2027 falls on Friday 8 October. Navamī runs from 19:58 on Thu 7 Oct to 22:32 on Fri 8 Oct and covers all of madhyāhna that midday.
| Authority | Kind | Date |
|---|---|---|
| Ahargaṇa, pac-rp | This ruling | Fri 8 Oct |
| Ahargaṇa, classical | Disc centre, no refraction | Fri 8 Oct |
| compat-drikpanchang | Comparison profile | Fri 8 Oct |
| No institution has a recorded ruling for Chicago. | ||
Institutional rulings are recorded with a source address, and are never edited to agree.
/rules/mahanavami · ruleset 2026.3-draft
“S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104. The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.
Twelve places, west to east. Local clock times.
| Place | Navamī | Madhyāhna 8th | Covered | Madhyāhna 9th | Covered | Ruled |
|---|---|---|---|---|---|---|
| Los Angeles | 17:58 → 20:32 | 12:16 | 48 min | 12:16 | 0 min | 8 Oct |
| Chicago | 19:58 → 22:32 | 12:14 | 48 min | 12:14 | 0 min | 8 Oct |
| Jersey City | 20:58 → 23:32 | 12:20 | 48 min | 12:19 | 0 min | 8 Oct |
| Port of Spain | 20:58 → 23:32 | 11:30 | 48 min | 11:29 | 0 min | 8 Oct |
| London | 01:58 → 04:32 | 12:24 | 48 min | 12:23 | 0 min | 8 Oct |
| Durban | 02:58 → 05:32 | 11:20 | 48 min | 11:19 | 0 min | 8 Oct |
| Dubai | 04:58 → 07:32 | 11:42 | 48 min | 11:42 | 0 min | 8 Oct |
| Delhi | 06:28 → 09:02 | 11:45 | 48 min | 11:44 | 0 min | 8 Oct |
| Kolkata | 06:28 → 09:02 | 11:00 | 48 min | 11:00 | 0 min | 8 Oct |
| Singapore | 08:58 → 11:32 | 12:28 | 48 min | 12:28 | 0 min | 8 Oct |
| Sydney | 11:58 → 14:32 | 12:19 | 48 min | 12:19 | 48 min | 8 Oct |
| Suva | 12:58 → 15:32 | 11:30 | 0 min | 11:30 | 48 min | 9 Oct |