Ruling · Durgā Navamī · 2079

Thursday 2 November

Determinatein Luanda, under the Rashtriya Panchang method. Clear of every threshold by 17 minutes.

Decide it for

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 Thursday 2 November

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

madhyāhna begins 11:27  12:15 madhyāhna ends
Navamī begins 11:43:48
10:3911:0311:2711:5112:1512:3913:03

31 of 48 minutes covered, the last 31

Midday of Friday 3 November

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:27  12:15 madhyāhna ends
Navamī ends 13:01:43
10:3911:0311:2711:5112:1512:3913:03

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 11:44 on Thu 2 Nov to 13:02 on Fri 3 Nov.

    2079-11-02T10:43:48Z → 2079-11-03T12:01:43Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 2nd, 11:27–12:15 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 31 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 1018 s

  5. 05

    Ruling

    Durgā Navamī, Luanda, 2079: Thursday 2 November.

    confidence: determinate

Say it like this

In Luanda, Durgā Navamī 2079 falls on Thursday 2 November. Navamī runs from 11:44 on Thu 2 Nov to 13:02 on Fri 3 Nov and covers 31 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/luanda/festivals/2079/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 2 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 2 Nov
compat-drikpanchangComparison profileThu 2 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles03:44 → 05:0212:1248 min12:120 min2 Nov
Chicago05:44 → 07:0212:1048 min12:100 min2 Nov
Jersey City06:44 → 08:0212:1648 min12:160 min2 Nov
Port of Spain06:44 → 08:0211:2648 min11:260 min2 Nov
London10:44 → 12:0211:2048 min11:2042 min2 Nov
Durban12:44 → 14:0211:160 min11:1648 min3 Nov
Dubai14:44 → 16:0211:380 min11:3848 min3 Nov
Delhi16:14 → 17:3211:410 min11:4148 min3 Nov
Kolkata16:14 → 17:3210:560 min10:5648 min3 Nov
Singapore18:44 → 20:0212:240 min12:2448 min3 Nov
Sydney21:44 → 23:0212:150 min12:1548 min3 Nov
Suva22:44 → 00:0211:260 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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