Ruling · Durgā Navamī · 1993

Monday 22 November

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 594 minutes.

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 Monday 22 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:02  11:50 madhyāhna ends
10:1410:3811:0211:2611:5012:1412:38

48 of 48 minutes covered

Midday of Tuesday 23 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:02  11:50 madhyāhna ends
10:1410:3811:0211:2611:5012:1412:38

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 22:57 on Sun 21 Nov to 01:08 on Tue 23 Nov.

    1993-11-21T14:57:30Z → 1993-11-22T17:07:49Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:02–11:50 on the 22nd, 11:02–11:50 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 48 of 48 minutes on the 22nd and 0 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 35661 s

  5. 05

    Ruling

    Durgā Navamī, Daqing, 1993: Monday 22 November.

    confidence: determinate

Say it like this

In Daqing, Durgā Navamī 1993 falls on Monday 22 November. Navamī runs from 22:57 on Sun 21 Nov to 01:08 on Tue 23 Nov and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1993/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 22 Nov
Ahargaṇa, classicalDisc centre, no refractionMon 22 Nov
compat-drikpanchangComparison profileMon 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles06:57 → 09:0811:1548 min11:150 min21 Nov
Chicago08:57 → 11:0811:1248 min11:130 min21 Nov
Jersey City09:57 → 12:0811:1848 min11:1848 min21 Nov
Port of Spain10:57 → 13:0811:2848 min11:2848 min21 Nov
London14:57 → 17:0811:220 min11:2248 min22 Nov
Durban16:57 → 19:0811:180 min11:1848 min22 Nov
Dubai18:57 → 21:0811:410 min11:4148 min22 Nov
Delhi20:27 → 22:3811:430 min11:4348 min22 Nov
Kolkata20:27 → 22:3810:580 min10:5948 min22 Nov
Singapore22:57 → 01:0812:260 min12:2748 min22 Nov
Sydney01:57 → 04:0812:170 min12:1748 min22 Nov
Suva02:57 → 05:0811:280 min11:2848 min22 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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