Ruling · Durgā Navamī · 2026

Wednesday 18 November

Determinatein Sydney, under the Rashtriya Panchang method. Clear of every threshold by 20 minutes.

Decide it for

DelhiKolkataSingaporeSydneyJersey City

33°52′ S 151°12′ E · Australia/Sydney · GeoNames 2147714

The two middays

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

Midday of Wednesday 18 November

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

madhyāhna begins 12:16  13:04 madhyāhna ends
Navamī begins 11:35:39
11:2811:5212:1612:4013:0413:2813:52

48 of 48 minutes covered

Midday of Thursday 19 November

Qualifies with 20 of 48 minutes. Not taken.

madhyāhna begins 12:17  13:05 madhyāhna ends
Navamī ends 12:36:42
11:2911:5312:1712:4113:0513:2913:53

20 of 48 minutes covered, the first 20

Navamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Navamī runs from 11:36 on Wed 18 Nov to 12:37 on Thu 19 Nov.

    2026-11-18T00:35:40Z → 2026-11-19T01:36:43Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:16–13:04 on the 18th, 12:17–13:05 on the 19th.

    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 18th and 20 of 48 on the 19th.

    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 1202 s

  5. 05

    Ruling

    Durgā Navamī, Sydney, 2026: Wednesday 18 November.

    confidence: determinate

Say it like this

In Sydney, Durgā Navamī 2026 falls on Wednesday 18 November. Navamī runs from 11:36 on Wed 18 Nov to 12:37 on Thu 19 Nov and covers all of madhyāhna that midday. It also reaches the next midday for 20 minutes; by the rule the first midday is taken.

ahargana.org/sydney/festivals/2026/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 18 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 18 Nov
compat-drikpanchangComparison profileWed 18 Nov
No institution has a recorded ruling for Sydney.

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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles16:36 → 17:3711:1448 min11:140 min18 Nov
Chicago18:36 → 19:3711:1248 min11:120 min18 Nov
Jersey City19:36 → 20:3711:1748 min11:180 min18 Nov
Port of Spain20:36 → 21:3711:2748 min11:270 min18 Nov
London00:36 → 01:3711:2148 min11:220 min18 Nov
Durban02:36 → 03:3711:1748 min11:170 min18 Nov
Dubai04:36 → 05:3711:4048 min11:400 min18 Nov
Delhi06:06 → 07:0711:4248 min11:420 min18 Nov
Kolkata06:06 → 07:0710:5848 min10:580 min18 Nov
Singapore08:36 → 09:3712:2648 min12:260 min18 Nov
Sydney11:36 → 12:3712:1648 min12:1720 min18 Nov
Suva12:36 → 13:3711:270 min11:2848 min19 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