Durgā Navamī

1. १Step 1, Aṅga

   Navamī runs from 12:03 on Sat 1 Nov to 11:48 on Sun 2 Nov.

   2003-11-01T16:02:36Z → 2003-11-02T15:47:48Z
2. २Step 2, Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:12–12:00 on the 1st, 11:12–12:00 on the 2nd.

   madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
3. ३Step 3, Rule

   Navamī must be present during madhyāhna. It covers 0 of 48 minutes on the 1st and 36 of 48 on the 2nd.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
4. ४Step 4, Tie-break

   Only one midday qualifies. No tie-break is needed.

   one day qualifies → only-day · margin 144 s < 300 s
5. ५Step 5, Ruling

   Durgā Navamī, Georgetown, 2003: Sunday 2 November.

   confidence: boundary (margin)

In Georgetown, Durgā Navamī 2003 falls on Sunday 2 November. Navamī runs from 12:03 on Sat 1 Nov to 11:48 on Sun 2 Nov and covers 36 of 48 minutes of madhyāhna that midday. It is 2 min 24 s from a threshold. The rule does not settle this date cleanly.

Institutional rulings are recorded with a source address, and are never edited to agree.

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.