Ruling · Durgā Navamī · 1908

Monday 2 November

Determinatein Bursa, under the Rashtriya Panchang method. Clear of every threshold by 487 minutes.

Decide it for

40°12′ N 29°04′ E · Europe/Istanbul · GeoNames 750269

The two middays

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

Midday of Monday 2 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:19  12:07 madhyāhna ends
10:3110:5511:1911:4312:0712:3112:55

48 of 48 minutes covered

Midday of Tuesday 3 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:19  12:07 madhyāhna ends
10:3110:5511:1911:4312:0712:3112:55

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 03:12 on Mon 2 Nov to 00:59 on Tue 3 Nov.

    1908-11-02T01:16:18Z → 1908-11-02T23:03:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:19–12:07 on the 2nd, 11:19–12:07 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 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.

    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 29213 s

  5. 05

    Ruling

    Durgā Navamī, Bursa, 1908: Monday 2 November.

    confidence: determinate

Say it like this

In Bursa, Durgā Navamī 1908 falls on Monday 2 November. Navamī runs from 03:12 on Mon 2 Nov to 00:59 on Tue 3 Nov and covers all of madhyāhna that midday.

ahargana.org/bursa/festivals/1908/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 2 Nov
Ahargaṇa, classicalDisc centre, no refractionMon 2 Nov
compat-drikpanchangComparison profileMon 2 Nov
No institution has a recorded ruling for Bursa.

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 Angeles17:16 → 15:0311:1248 min11:120 min2 Nov
Chicago19:16 → 17:0311:1048 min11:100 min2 Nov
Jersey City20:16 → 18:0311:1648 min11:160 min2 Nov
Port of Spain21:16 → 19:0311:2648 min11:260 min2 Nov
London01:16 → 23:0311:2048 min11:200 min2 Nov
Durban03:16 → 01:0311:1648 min11:160 min2 Nov
Dubai04:57 → 02:4411:1948 min11:190 min2 Nov
Delhi06:46 → 04:3311:4148 min11:410 min2 Nov
Kolkata06:46 → 04:3310:5648 min10:560 min2 Nov
Singapore08:16 → 06:0311:2448 min11:240 min2 Nov
Sydney11:16 → 09:0311:1547 min11:150 min2 Nov
Suva13:11 → 10:5811:210 min11:210 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

About Ahargaṇa