Ruling · Durgā Navamī · 1992

Tuesday 3 November

Determinatein Datong, under the Rashtriya Panchang method. Clear of every threshold by 170 minutes.

Decide it for

DatongDelhiKolkataSingaporeSydneyJersey City

40°06′ N 113°17′ E · Asia/Shanghai · GeoNames 2037799

The two middays

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

Midday of Tuesday 3 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

48 of 48 minutes covered

Midday of Wednesday 4 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

0 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 06:25 on Tue 3 Nov to 08:56 on Wed 4 Nov.

    1992-11-02T22:24:38Z → 1992-11-04T00:56:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 3rd, 11:46–12:34 on the 4th.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 3rd and 0 of 48 on the 4th.

    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 10195 s

  5. 05

    Ruling

    Durgā Navamī, Datong, 1992: Tuesday 3 November.

    confidence: determinate

Say it like this

In Datong, Durgā Navamī 1992 falls on Tuesday 3 November. Navamī runs from 06:25 on Tue 3 Nov to 08:56 on Wed 4 Nov and covers all of madhyāhna that midday.

ahargana.org/datong/festivals/1992/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 3 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 3 Nov
compat-drikpanchangComparison profileTue 3 Nov
No institution has a recorded ruling for Datong.

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 4thCoveredRuled
Los Angeles14:25 → 16:5611:120 min11:120 min3 Nov
Chicago16:25 → 18:5611:100 min11:100 min3 Nov
Jersey City17:25 → 19:5611:160 min11:160 min3 Nov
Port of Spain18:25 → 20:5611:260 min11:260 min3 Nov
London22:25 → 00:5611:200 min11:200 min3 Nov
Durban00:25 → 02:5611:160 min11:160 min3 Nov
Dubai02:25 → 04:5611:380 min11:380 min3 Nov
Delhi03:55 → 06:2611:400 min11:410 min3 Nov
Kolkata03:55 → 06:2610:560 min10:560 min3 Nov
Singapore06:25 → 08:5612:240 min12:240 min3 Nov
Sydney09:25 → 11:5612:150 min12:150 min3 Nov
Suva10:25 → 12:5611:260 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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