Ruling · Durgā Navamī · 1919

Saturday 1 November

Determinatein Recife, under the Rashtriya Panchang method. Clear of every threshold by 23 minutes.

Decide it for

RecifeDelhiKolkataSingaporeSydneyJersey City

8°03′ S 34°53′ W · America/Recife · GeoNames 3390760

The two middays

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

Midday of Saturday 1 November

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 10:39  11:27 madhyāhna ends
Navamī begins 11:02:16
09:5110:1510:3911:0311:2711:5112:15

25 of 48 minutes covered, the last 25

Midday of Sunday 2 November

Qualifies with 25 of 48 minutes. Not taken.

madhyāhna begins 10:39  11:27 madhyāhna ends
Navamī ends 11:04:16
09:5110:1510:3911:0311:2711:5112:15

25 of 48 minutes covered, the first 25

Navamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Navamī runs from 11:02 on Sat 1 Nov to 11:04 on Sun 2 Nov.

    1919-11-01T14:02:16Z → 1919-11-02T14:04:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 10:39–11:27 on the 1st, 10:39–11:27 on the 2nd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 25 of 48 minutes on the 1st and 25 of 48 on the 2nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1379 s

  5. 05

    Ruling

    Durgā Navamī, Recife, 1919: Saturday 1 November.

    confidence: determinate

Say it like this

In Recife, Durgā Navamī 1919 falls on Saturday 1 November. Navamī runs from 11:02 on Sat 1 Nov to 11:04 on Sun 2 Nov and covers 25 of 48 minutes of madhyāhna that midday. It also reaches the next midday for 25 minutes; by the rule the first midday is taken.

ahargana.org/recife/festivals/1919/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 1 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 1 Nov
compat-drikpanchangComparison profileSat 1 Nov
No institution has a recorded ruling for Recife.

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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles06:02 → 06:0411:1248 min11:120 min1 Nov
Chicago08:02 → 08:0411:1048 min11:100 min1 Nov
Jersey City09:02 → 09:0411:1648 min11:160 min1 Nov
Port of Spain10:02 → 10:0411:2648 min11:260 min1 Nov
London14:02 → 14:0411:200 min11:2048 min2 Nov
Durban16:02 → 16:0411:160 min11:1648 min2 Nov
Dubai17:43 → 17:4511:190 min11:1948 min2 Nov
Delhi19:32 → 19:3411:410 min11:4148 min2 Nov
Kolkata19:32 → 19:3410:560 min10:5648 min2 Nov
Singapore21:02 → 21:0411:240 min11:2448 min2 Nov
Sydney00:02 → 00:0411:150 min11:1548 min2 Nov
Suva02:02 → 02:0411:260 min11:2648 min2 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