Ruling · Durgā Navamī · 2027

Sunday 7 November

Determinatein Durban, under the Rashtriya Panchang method. Clear of every threshold by 562 minutes.

Decide it for

29°51′ S 31°02′ E · Africa/Johannesburg · GeoNames 1007311

The two middays

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

Midday of Sunday 7 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:16  12:04 madhyāhna ends
10:2810:5211:1611:4012:0412:2812:52

48 of 48 minutes covered

Midday of Monday 8 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:16  12:04 madhyāhna ends
10:2810:5211:1611:4012:0412:2812:52

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 23:21 on Sat 6 Nov to 01:54 on Mon 8 Nov.

    2027-11-06T21:20:36Z → 2027-11-07T23:54:11Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:16–12:04 on the 7th, 11:16–12:04 on the 8th.

    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 7th and 0 of 48 on the 8th.

    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 33698 s

  5. 05

    Ruling

    Durgā Navamī, Durban, 2027: Sunday 7 November.

    confidence: determinate

Say it like this

In Durban, Durgā Navamī 2027 falls on Sunday 7 November. Navamī runs from 23:21 on Sat 6 Nov to 01:54 on Mon 8 Nov and covers all of madhyāhna that midday.

ahargana.org/durban/festivals/2027/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 7 Nov
Ahargaṇa, classicalDisc centre, no refractionSun 7 Nov
compat-drikpanchangComparison profileSun 7 Nov
No institution has a recorded ruling for Durban.

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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles14:21 → 15:5412:120 min11:1248 min7 Nov
Chicago16:21 → 17:5412:100 min11:1048 min7 Nov
Jersey City17:21 → 18:5412:160 min11:1648 min7 Nov
Port of Spain17:21 → 19:5411:260 min11:2648 min7 Nov
London21:21 → 23:5411:200 min11:2048 min7 Nov
Durban23:21 → 01:5411:160 min11:1648 min7 Nov
Dubai01:21 → 03:5411:380 min11:3848 min7 Nov
Delhi02:51 → 05:2411:410 min11:4148 min7 Nov
Kolkata02:51 → 05:2410:560 min10:5648 min7 Nov
Singapore05:21 → 07:5412:240 min12:2448 min7 Nov
Sydney08:21 → 10:5412:150 min12:1548 min7 Nov
Suva09:21 → 11:5411:260 min11:2648 min7 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