Ruling · Durgā Navamī · 1946

Saturday 2 November

Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 11 minutes.

Decide it for

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 Saturday 2 November

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 11:10  11:58 madhyāhna ends
Navamī begins 11:21:37
10:2210:4611:1011:3411:5812:2212:46

36 of 48 minutes covered, the last 36

Midday of Sunday 3 November

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:10  11:58 madhyāhna ends
Navamī ends 12:08:56
10:2210:4611:1011:3411:5812:2212:46

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 11:22 on Sat 2 Nov to 12:09 on Sun 3 Nov.

    1946-11-02T17:21:37Z → 1946-11-03T18:08:57Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:10–11:58 on the 2nd, 11:10–11:58 on the 3rd.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 36 of 48 minutes on the 2nd and 48 of 48 on the 3rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 658 s

  5. 05

    Ruling

    Durgā Navamī, Chicago, 1946: Saturday 2 November.

    confidence: determinate

Say it like this

In Chicago, Durgā Navamī 1946 falls on Saturday 2 November. Navamī runs from 11:22 on Sat 2 Nov to 12:09 on Sun 3 Nov and covers 36 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 48 minutes; by the rule the first midday is taken.

ahargana.org/chicago/festivals/1946/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 2 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 2 Nov
compat-drikpanchangComparison profileSat 2 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles09:22 → 10:0911:1248 min11:120 min2 Nov
Chicago11:22 → 12:0911:1036 min11:1048 min2 Nov
Jersey City12:22 → 13:0911:160 min11:1648 min3 Nov
Port of Spain13:22 → 14:0911:260 min11:2648 min3 Nov
London17:22 → 18:0911:200 min11:2048 min3 Nov
Durban19:22 → 20:0911:160 min11:1648 min3 Nov
Dubai21:22 → 22:0911:380 min11:3848 min3 Nov
Delhi22:52 → 23:3911:410 min11:4148 min3 Nov
Kolkata22:52 → 23:3910:560 min10:5648 min3 Nov
Singapore00:52 → 01:3911:540 min11:5448 min3 Nov
Sydney03:22 → 04:0911:150 min11:1548 min3 Nov
Suva05:22 → 06:0911:260 min11:2648 min3 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

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