Ruling · Durgā Navamī · 1921

Tuesday 8 November

Determinatein Brooklyn, under the Rashtriya Panchang method. Clear of every threshold by 513 minutes.

Decide it for

40°39′ N 73°57′ W · America/New_York · GeoNames 5110302

The two middays

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

Midday of Tuesday 8 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:15  12:03 madhyāhna ends
10:2710:5111:1511:3912:0312:2712:51

48 of 48 minutes covered

Midday of Wednesday 9 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:15  12:03 madhyāhna ends
10:2710:5111:1511:3912:0312:2712:51

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 00:10 on Tue 8 Nov to 02:42 on Wed 9 Nov.

    1921-11-08T05:09:38Z → 1921-11-09T07:42:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 8th, 11:15–12:03 on the 9th.

    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 8th and 0 of 48 on the 9th.

    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 30801 s

  5. 05

    Ruling

    Durgā Navamī, Brooklyn, 1921: Tuesday 8 November.

    confidence: determinate

Say it like this

In Brooklyn, Durgā Navamī 1921 falls on Tuesday 8 November. Navamī runs from 00:10 on Tue 8 Nov to 02:42 on Wed 9 Nov and covers all of madhyāhna that midday.

ahargana.org/brooklyn/festivals/1921/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 8 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 8 Nov
compat-drikpanchangComparison profileTue 8 Nov
No institution has a recorded ruling for Brooklyn.

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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles21:10 → 23:4211:1348 min11:130 min8 Nov
Chicago23:10 → 01:4211:1048 min11:100 min8 Nov
Jersey City00:10 → 02:4211:1648 min11:160 min8 Nov
Port of Spain01:10 → 03:4211:2648 min11:260 min8 Nov
London05:10 → 07:4211:2048 min11:200 min8 Nov
Durban07:10 → 09:4211:1648 min11:160 min8 Nov
Dubai09:10 → 11:4211:3848 min11:394 min8 Nov
Delhi10:40 → 13:1211:4148 min11:4148 min8 Nov
Kolkata10:40 → 13:1210:5648 min10:5648 min8 Nov
Singapore12:10 → 14:4211:243 min11:2448 min8 Nov
Sydney15:10 → 17:4211:150 min11:1548 min9 Nov
Suva17:10 → 19:4211:260 min11:2648 min9 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