Ruling · Durgā Navamī · 2067

Tuesday 15 November

Determinatein Luanda, under the Rashtriya Panchang method. Clear of every threshold by 36 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 Monday 14 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:28  12:16 madhyāhna ends
Navamī begins 13:02:45
10:4011:0411:2811:5212:1612:4013:04

0 of 48 minutes covered

Midday of Tuesday 15 November

Taken. Navamī reaches neither midday; the rule takes the second day.

madhyāhna begins 11:28  12:16 madhyāhna ends
Navamī ends 10:51:24
10:4011:0411:2811:5212:1612:4013:04

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 13:03 on Mon 14 Nov to 10:51 on Tue 15 Nov.

    2067-11-14T12:02:45Z → 2067-11-15T09:51:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:28–12:16 on the 14th, 11:28–12:16 on the 15th.

    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 14th and 0 of 48 on the 15th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: purvaviddha → second-day · margin 2182 s

  5. 05

    Ruling

    Durgā Navamī, Luanda, 2067: Tuesday 15 November.

    confidence: determinate

Say it like this

In Luanda, Durgā Navamī 2067 falls on Tuesday 15 November. Navamī runs from 13:03 on Mon 14 Nov to 10:51 on Tue 15 Nov, and reaches madhyāhna on neither day.

ahargana.org/luanda/festivals/2067/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 15 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 15 Nov
compat-drikpanchangComparison profileMon 14 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles04:03 → 01:5111:1348 min11:140 min14 Nov
Chicago06:03 → 03:5111:1148 min11:110 min14 Nov
Jersey City07:03 → 04:5111:1748 min11:170 min14 Nov
Port of Spain08:03 → 05:5111:2748 min11:270 min14 Nov
London12:03 → 09:5111:216 min11:210 min14 Nov
Durban14:03 → 11:5111:170 min11:1735 min15 Nov
Dubai16:03 → 13:5111:390 min11:3948 min15 Nov
Delhi17:33 → 15:2111:410 min11:4248 min15 Nov
Kolkata17:33 → 15:2110:570 min10:5748 min15 Nov
Singapore20:03 → 17:5112:250 min12:2548 min15 Nov
Sydney23:03 → 20:5112:160 min12:1648 min15 Nov
Suva00:03 → 21:5111:270 min11:2748 min15 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