Ruling · Durgā Navamī · 1927

Thursday 3 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 5 min 45 s.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

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 Thursday 3 November

Taken. The only midday Navamī reaches.

madhyāhna begins 10:59  11:47 madhyāhna ends
Navamī begins 10:53:35
10:1110:3510:5911:2311:4712:1112:35

48 of 48 minutes covered

Midday of Friday 4 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 10:59  11:47 madhyāhna ends
10:1110:3510:5911:2311:4712:1112:35

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 10:54 on Thu 3 Nov to 09:35 on Fri 4 Nov.

    1927-11-03T02:53:36Z → 1927-11-04T01:34:55Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 10:59–11:47 on the 3rd, 10:59–11:47 on the 4th.

    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 3rd and 0 of 48 on the 4th.

    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 345 s

  5. 05

    Ruling

    Durgā Navamī, Daqing, 1927: Thursday 3 November.

    confidence: determinate

Say it like this

In Daqing, Durgā Navamī 1927 falls on Thursday 3 November. Navamī runs from 10:54 on Thu 3 Nov to 09:35 on Fri 4 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1927/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 3 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 3 Nov
compat-drikpanchangComparison profileThu 3 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 3rdCoveredMadhyāhna 4thCoveredRuled
Los Angeles18:54 → 17:3511:1248 min11:120 min3 Nov
Chicago20:54 → 19:3511:1048 min11:100 min3 Nov
Jersey City21:54 → 20:3511:1648 min11:160 min3 Nov
Port of Spain22:54 → 21:3511:2648 min11:260 min3 Nov
London02:54 → 01:3511:2048 min11:200 min3 Nov
Durban04:54 → 03:3511:1648 min11:160 min3 Nov
Dubai06:54 → 05:3511:3848 min11:380 min3 Nov
Delhi08:24 → 07:0511:4148 min11:410 min3 Nov
Kolkata08:24 → 07:0510:5648 min10:560 min3 Nov
Singapore09:54 → 08:3511:2448 min11:240 min3 Nov
Sydney12:54 → 11:3511:150 min11:1520 min4 Nov
Suva14:54 → 13:3511:260 min11:2648 min4 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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