Ruling · Durgā Navamī · 1917

Friday 23 November

Determinatein Linyi, under the Rashtriya Panchang method. Clear of every threshold by 175 minutes.

Decide it for

LinyiDelhiKolkataSingaporeSydneyJersey City

35°04′ N 118°21′ E · Asia/Shanghai · GeoNames 1803318

The two middays

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

Midday of Thursday 22 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:29  12:17 madhyāhna ends
10:4111:0511:2911:5312:1712:4113:05

0 of 48 minutes covered

Midday of Friday 23 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:29  12:17 madhyāhna ends
10:4111:0511:2911:5312:1712:4113:05

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 17:25 on Thu 22 Nov to 15:12 on Fri 23 Nov.

    1917-11-22T09:25:19Z → 1917-11-23T07:11:43Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 22nd, 11:29–12:17 on the 23rd.

    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 22nd and 48 of 48 on the 23rd.

    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 10496 s

  5. 05

    Ruling

    Durgā Navamī, Linyi, 1917: Friday 23 November.

    confidence: determinate

Say it like this

In Linyi, Durgā Navamī 1917 falls on Friday 23 November. Navamī runs from 17:25 on Thu 22 Nov to 15:12 on Fri 23 Nov and covers all of madhyāhna that midday.

ahargana.org/linyi/festivals/1917/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 23 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 23 Nov
compat-drikpanchangComparison profileFri 23 Nov
No institution has a recorded ruling for Linyi.

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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles01:25 → 23:1211:1548 min11:150 min22 Nov
Chicago03:25 → 01:1211:1348 min11:130 min22 Nov
Jersey City04:25 → 02:1211:1848 min11:190 min22 Nov
Port of Spain05:25 → 03:1211:2848 min11:280 min22 Nov
London09:25 → 07:1211:2248 min11:230 min22 Nov
Durban11:25 → 09:1211:1841 min11:180 min22 Nov
Dubai13:06 → 10:5311:220 min11:220 min23 Nov
Delhi14:55 → 12:4211:430 min11:4348 min23 Nov
Kolkata14:55 → 12:4210:590 min10:5948 min23 Nov
Singapore16:25 → 14:1211:270 min11:2748 min23 Nov
Sydney19:25 → 17:1211:170 min11:1848 min23 Nov
Suva21:25 → 19:1211:280 min11:2948 min23 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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