Ruling · Durgā Navamī · 2076

Thursday 5 November

Determinatein Datong, under the Rashtriya Panchang method. Clear of every threshold by 366 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 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

Midday of Thursday 5 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

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 20:56 on Wed 4 Nov to 18:40 on Thu 5 Nov.

    2076-11-04T12:55:39Z → 2076-11-05T10:40:06Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 4th, 11:46–12:34 on the 5th.

    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 4th and 48 of 48 on the 5th.

    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 21944 s

  5. 05

    Ruling

    Durgā Navamī, Datong, 2076: Thursday 5 November.

    confidence: determinate

Say it like this

In Datong, Durgā Navamī 2076 falls on Thursday 5 November. Navamī runs from 20:56 on Wed 4 Nov to 18:40 on Thu 5 Nov and covers all of madhyāhna that midday.

ahargana.org/datong/festivals/2076/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 5 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 5 Nov
compat-drikpanchangComparison profileThu 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles04:56 → 02:4011:1348 min11:130 min4 Nov
Chicago06:56 → 04:4011:1048 min11:100 min4 Nov
Jersey City07:56 → 05:4011:1648 min11:160 min4 Nov
Port of Spain08:56 → 06:4011:2648 min11:260 min4 Nov
London12:56 → 10:4011:200 min11:200 min5 Nov
Durban14:56 → 12:4011:160 min11:1648 min5 Nov
Dubai16:56 → 14:4011:380 min11:3848 min5 Nov
Delhi18:26 → 16:1011:410 min11:4148 min5 Nov
Kolkata18:26 → 16:1010:560 min10:5648 min5 Nov
Singapore20:56 → 18:4012:240 min12:2448 min5 Nov
Sydney23:56 → 21:4012:150 min12:1548 min5 Nov
Suva00:56 → 22:4011:260 min11:2648 min5 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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