Ruling · Durgā Navamī · 2026

Wednesday 18 November

Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 396 minutes.

Decide it for

ChicagoDelhiKolkataSingaporeSydneyJersey City

41°51′ N 87°39′ W · America/Chicago · GeoNames 4887398

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Tuesday 17 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:11  11:59 madhyāhna ends
10:2310:4711:1111:3511:5912:2312:47

0 of 48 minutes covered

Midday of Wednesday 18 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:12  12:00 madhyāhna ends
10:2410:4811:1211:3612:0012:2412:48

48 of 48 minutes covered

Navamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Navamī runs from 18:36 on Tue 17 Nov to 19:37 on Wed 18 Nov.

    2026-11-18T00:35:40Z → 2026-11-19T01:36:43Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:11–11:59 on the 17th, 11:12–12:00 on the 18th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Navamī 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

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: purvaviddha → only-day · margin 23776 s

  5. 05

    Ruling

    Durgā Navamī, Chicago, 2026: Wednesday 18 November.

    confidence: determinate

Say it like this

In Chicago, Durgā Navamī 2026 falls on Wednesday 18 November. Navamī runs from 18:36 on Tue 17 Nov to 19:37 on Wed 18 Nov and covers all of madhyāhna that midday.

ahargana.org/chicago/festivals/2026/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 18 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 18 Nov
compat-drikpanchangComparison profileWed 18 Nov
No institution has a recorded ruling for Chicago.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/durga-navami · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Navamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceNavamīMadhyāhna 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles16:36 → 17:3711:1448 min11:140 min18 Nov
Chicago18:36 → 19:3711:1248 min11:120 min18 Nov
Jersey City19:36 → 20:3711:1748 min11:180 min18 Nov
Port of Spain20:36 → 21:3711:2748 min11:270 min18 Nov
London00:36 → 01:3711:2148 min11:220 min18 Nov
Durban02:36 → 03:3711:1748 min11:170 min18 Nov
Dubai04:36 → 05:3711:4048 min11:400 min18 Nov
Delhi06:06 → 07:0711:4248 min11:420 min18 Nov
Kolkata06:06 → 07:0710:5848 min10:580 min18 Nov
Singapore08:36 → 09:3712:2648 min12:260 min18 Nov
Sydney11:36 → 12:3712:1648 min12:1720 min18 Nov
Suva12:36 → 13:3711:270 min11:2848 min19 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
durga-navami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s