Durgā Navamī

1. १Step 1, Aṅga

   Navamī runs from 05:21 on Sun 11 Nov to 07:30 on Mon 12 Nov.

   1956-11-11T04:21:01Z → 1956-11-12T06:29:45Z
2. २Step 2, Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 12:04–12:52 on the 11th, 12:05–12:53 on the 12th.

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

   Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 11th and 0 of 48 on the 12th.

   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.

   priority: purvaviddha → only-day · margin 16489 s
5. ५Step 5, Ruling

   Durgā Navamī, Ibadan, 1956: Sunday 11 November.

   confidence: determinate

In Ibadan, Durgā Navamī 1956 falls on Sunday 11 November. Navamī runs from 05:21 on Sun 11 Nov to 07:30 on Mon 12 Nov and covers all of madhyāhna that midday.

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.