Ruling · Durgā Navamī · 1982

Wednesday 24 November

Determinatein Luanda, under the Rashtriya Panchang method. Clear of every threshold by 34 minutes.

Decide it for

LuandaDelhiKolkataSingaporeSydneyJersey City

8°50′ S 13°14′ E · Africa/Luanda · GeoNames 2240449

The two middays

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

Midday of Wednesday 24 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:30  12:18 madhyāhna ends
10:4211:0611:3011:5412:1812:4213:06

48 of 48 minutes covered

Midday of Thursday 25 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:30  12:18 madhyāhna ends
Navamī ends 10:55:48
10:4211:0611:3011:5412:1812:4213:06

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 09:54 on Wed 24 Nov to 10:56 on Thu 25 Nov.

    1982-11-24T08:53:34Z → 1982-11-25T09:55:49Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 24th, 11:30–12:18 on the 25th.

    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 24th and 0 of 48 on the 25th.

    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 2053 s

  5. 05

    Ruling

    Durgā Navamī, Luanda, 1982: Wednesday 24 November.

    confidence: determinate

Say it like this

In Luanda, Durgā Navamī 1982 falls on Wednesday 24 November. Navamī runs from 09:54 on Wed 24 Nov to 10:56 on Thu 25 Nov and covers all of madhyāhna that midday.

ahargana.org/luanda/festivals/1982/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 24 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 24 Nov
compat-drikpanchangComparison profileWed 24 Nov
No institution has a recorded ruling for Luanda.

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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles00:54 → 01:5611:1648 min11:160 min24 Nov
Chicago02:54 → 03:5611:1348 min11:130 min24 Nov
Jersey City03:54 → 04:5611:1948 min11:190 min24 Nov
Port of Spain04:54 → 05:5611:2948 min11:290 min24 Nov
London08:54 → 09:5611:2348 min11:230 min24 Nov
Durban10:54 → 11:5611:1948 min11:1937 min24 Nov
Dubai12:54 → 13:5611:410 min11:4248 min25 Nov
Delhi14:24 → 15:2611:440 min11:4448 min25 Nov
Kolkata14:24 → 15:2610:590 min10:5948 min25 Nov
Singapore16:54 → 17:5612:270 min12:2748 min25 Nov
Sydney19:54 → 20:5612:180 min12:1848 min25 Nov
Suva20:54 → 21:5611:290 min11:2948 min25 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

About Ahargaṇa