Ruling · Durgā Navamī · 1997

Saturday 8 November

Determinatein Rabat, under the Rashtriya Panchang method. Clear of every threshold by 174 minutes.

Decide it for

RabatDelhiKolkataSingaporeSydneyJersey City

34°01′ N 6°50′ W · Africa/Casablanca · GeoNames 2538475

The two middays

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

Midday of Saturday 8 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

48 of 48 minutes covered

Midday of Sunday 9 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

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 08:53 on Sat 8 Nov to 06:54 on Sun 9 Nov.

    1997-11-08T08:52:50Z → 1997-11-09T06:54:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 8th, 11:47–12:35 on the 9th.

    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 8th and 0 of 48 on the 9th.

    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 10444 s

  5. 05

    Ruling

    Durgā Navamī, Rabat, 1997: Saturday 8 November.

    confidence: determinate

Say it like this

In Rabat, Durgā Navamī 1997 falls on Saturday 8 November. Navamī runs from 08:53 on Sat 8 Nov to 06:54 on Sun 9 Nov and covers all of madhyāhna that midday.

ahargana.org/rabat/festivals/1997/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 8 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 8 Nov
compat-drikpanchangComparison profileSat 8 Nov
No institution has a recorded ruling for Rabat.

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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles00:53 → 22:5411:1348 min11:130 min8 Nov
Chicago02:53 → 00:5411:1048 min11:100 min8 Nov
Jersey City03:53 → 01:5411:1648 min11:160 min8 Nov
Port of Spain04:53 → 02:5411:2648 min11:260 min8 Nov
London08:53 → 06:5411:2048 min11:200 min8 Nov
Durban10:53 → 08:5411:1648 min11:160 min8 Nov
Dubai12:53 → 10:5411:380 min11:380 min9 Nov
Delhi14:23 → 12:2411:410 min11:4143 min9 Nov
Kolkata14:23 → 12:2410:560 min10:5648 min9 Nov
Singapore16:53 → 14:5412:240 min12:2448 min9 Nov
Sydney19:53 → 17:5412:150 min12:1548 min9 Nov
Suva20:53 → 18:5411:260 min11:2648 min9 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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