Ruling · Durgā Navamī · 2031

Saturday 22 November

Determinatein Lima, under the Rashtriya Panchang method. Clear of every threshold by 416 minutes.

Decide it for

LimaDelhiKolkataSingaporeSydneyJersey City

12°03′ S 77°02′ W · America/Lima · GeoNames 3936456

The two middays

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

Midday of Friday 21 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:30  12:18 madhyāhna ends
10:4211:0611:3011:5412:1812:4213:06

0 of 48 minutes covered

Midday of Saturday 22 November

Taken. The only midday Navamī reaches.

madhyāhna begins 11:30  12:18 madhyāhna ends
10:4211:0611:3011:5412:1812:4213:06

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 20:49 on Fri 21 Nov to 19:14 on Sat 22 Nov.

    2031-11-22T01:49:16Z → 2031-11-23T00:14:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 21st, 11:30–12:18 on the 22nd.

    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 21st and 48 of 48 on the 22nd.

    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 24952 s

  5. 05

    Ruling

    Durgā Navamī, Lima, 2031: Saturday 22 November.

    confidence: determinate

Say it like this

In Lima, Durgā Navamī 2031 falls on Saturday 22 November. Navamī runs from 20:49 on Fri 21 Nov to 19:14 on Sat 22 Nov and covers all of madhyāhna that midday.

ahargana.org/lima/festivals/2031/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 22 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 22 Nov
compat-drikpanchangComparison profileSat 22 Nov
No institution has a recorded ruling for Lima.

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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles17:49 → 16:1411:1548 min11:150 min22 Nov
Chicago19:49 → 18:1411:1348 min11:130 min22 Nov
Jersey City20:49 → 19:1411:1848 min11:190 min22 Nov
Port of Spain21:49 → 20:1411:2848 min11:280 min22 Nov
London01:49 → 00:1411:2248 min11:230 min22 Nov
Durban03:49 → 02:1411:1848 min11:180 min22 Nov
Dubai05:49 → 04:1411:4148 min11:410 min22 Nov
Delhi07:19 → 05:4411:4348 min11:430 min22 Nov
Kolkata07:19 → 05:4410:5848 min10:590 min22 Nov
Singapore09:49 → 08:1412:2748 min12:270 min22 Nov
Sydney12:49 → 11:1412:1716 min12:180 min22 Nov
Suva13:49 → 12:1411:280 min11:2946 min23 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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