Ruling · Durgā Navamī · 2090

Tuesday 31 October

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 460 minutes.

Decide it for

35°52′ N 128°36′ E · Asia/Seoul · GeoNames 1835329

The two middays

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

Midday of Tuesday 31 October

Taken. The only midday Navamī reaches.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

48 of 48 minutes covered

Midday of Wednesday 1 November

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

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 01:57 on Tue 31 Oct to 04:05 on Wed 1 Nov.

    2090-10-30T16:56:56Z → 2090-10-31T19:05:02Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 31st, 11:45–12:33 on the 1st.

    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 31st and 0 of 48 on the 1st.

    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 27610 s

  5. 05

    Ruling

    Durgā Navamī, Daegu, 2090: Tuesday 31 October.

    confidence: determinate

Say it like this

In Daegu, Durgā Navamī 2090 falls on Tuesday 31 October. Navamī runs from 01:57 on Tue 31 Oct to 04:05 on Wed 1 Nov and covers all of madhyāhna that midday.

ahargana.org/daegu/festivals/2090/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 31 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 31 Oct
compat-drikpanchangComparison profileTue 31 Oct
No institution has a recorded ruling for Daegu.

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 30thCoveredMadhyāhna 31stCoveredRuled
Los Angeles09:57 → 12:0512:1348 min12:130 min30 Oct
Chicago11:57 → 14:0512:1048 min12:1048 min30 Oct
Jersey City12:57 → 15:0512:167 min12:1648 min30 Oct
Port of Spain12:57 → 15:0511:260 min11:2648 min31 Oct
London16:57 → 19:0511:200 min11:2048 min31 Oct
Durban18:57 → 21:0511:160 min11:1648 min31 Oct
Dubai20:57 → 23:0511:390 min11:3848 min31 Oct
Delhi22:27 → 00:3511:410 min11:4148 min31 Oct
Kolkata22:27 → 00:3510:560 min10:5648 min31 Oct
Singapore00:57 → 03:0512:250 min12:2448 min31 Oct
Sydney03:57 → 06:0512:150 min12:1548 min31 Oct
Suva04:57 → 07:0511:260 min11:2648 min31 Oct
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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