Ruling · Durgā Navamī · 1943

Saturday 6 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 512 minutes.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

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

Midday of Friday 5 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

0 of 48 minutes covered

Midday of Saturday 6 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

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 23:22 on Fri 5 Nov to 21:20 on Sat 6 Nov.

    1943-11-05T14:22:15Z → 1943-11-06T12:19:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 5th, 11:59–12:47 on the 6th.

    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 5th and 48 of 48 on the 6th.

    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 30738 s

  5. 05

    Ruling

    Durgā Navamī, Daqing, 1943: Saturday 6 November.

    confidence: determinate

Say it like this

In Daqing, Durgā Navamī 1943 falls on Saturday 6 November. Navamī runs from 23:22 on Fri 5 Nov to 21:20 on Sat 6 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1943/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 6 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 6 Nov
compat-drikpanchangComparison profileSat 6 Nov
No institution has a recorded ruling for Daqing.

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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles07:22 → 05:2012:1248 min12:120 min5 Nov
Chicago09:22 → 07:2012:1048 min12:100 min5 Nov
Jersey City10:22 → 08:2012:1648 min12:160 min5 Nov
Port of Spain11:22 → 09:2012:2648 min12:260 min5 Nov
London15:22 → 13:2012:200 min12:2048 min6 Nov
Durban17:22 → 15:2012:160 min12:1648 min6 Nov
Dubai18:22 → 16:2011:380 min11:3848 min6 Nov
Delhi20:52 → 18:5012:410 min12:4148 min6 Nov
Kolkata20:52 → 18:5011:560 min11:5648 min6 Nov
Singapore23:22 → 21:2013:240 min13:2448 min6 Nov
Sydney01:22 → 23:2012:150 min12:1548 min6 Nov
Suva02:22 → 00:2011:260 min11:2648 min6 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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