Ruling · Mahānavamī · 2000

Friday 6 October

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 5 min 39 s.

Decide it for

DaeguDelhiKolkataSingaporeSydneyJersey City

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 Friday 6 October

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

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

48 of 48 minutes covered

Midday of Saturday 7 October

Qualifies with 6 of 48 minutes. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
Navamī ends 11:54:47
11:0111:2511:4912:1312:3713:0113:25

6 of 48 minutes covered, the first 6

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 09:18 on Fri 6 Oct to 11:55 on Sat 7 Oct.

    2000-10-06T00:17:42Z → 2000-10-07T02:54:48Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 6th, 11:49–12:37 on the 7th.

    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 6th and 6 of 48 on the 7th.

    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 339 s

  5. 05

    Ruling

    Mahānavamī, Daegu, 2000: Friday 6 October.

    confidence: determinate

Say it like this

In Daegu, Mahānavamī 2000 falls on Friday 6 October. Navamī runs from 09:18 on Fri 6 Oct to 11:55 on Sat 7 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 6 minutes; by the rule the first midday is taken.

ahargana.org/daegu/festivals/2000/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 6 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 6 Oct
compat-drikpanchangComparison profileFri 6 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/mahanavami · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Śukla · Navamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104. The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceNavamīMadhyāhna 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles17:18 → 19:5512:1748 min12:160 min6 Oct
Chicago19:18 → 21:5512:1448 min12:140 min6 Oct
Jersey City20:18 → 22:5512:2048 min12:200 min6 Oct
Port of Spain20:18 → 22:5511:3048 min11:300 min6 Oct
London01:18 → 03:5512:2448 min12:240 min6 Oct
Durban02:18 → 04:5511:2048 min11:200 min6 Oct
Dubai04:18 → 06:5511:4348 min11:420 min6 Oct
Delhi05:48 → 08:2511:4548 min11:450 min6 Oct
Kolkata05:48 → 08:2511:0048 min11:000 min6 Oct
Singapore08:18 → 10:5512:2948 min12:280 min6 Oct
Sydney11:18 → 13:5512:2048 min12:1948 min6 Oct
Suva12:18 → 14:5511:311 min11:3048 min6 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mahanavami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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