Durgā Navamī

1. १Step 1, Aṅga

   Navamī runs from 17:31 on Thu 26 Oct to 16:09 on Fri 27 Oct.

   1933-10-26T09:30:50Z → 1933-10-27T08:09:14Z
2. २Step 2, Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:31–12:19 on the 26th, 11:31–12:19 on the 27th.

   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 26th and 48 of 48 on the 27th.

   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 13834 s
5. ५Step 5, Ruling

   Durgā Navamī, Hefei, 1933: Friday 27 October.

   confidence: determinate

In Hefei, Durgā Navamī 1933 falls on Friday 27 October. Navamī runs from 17:31 on Thu 26 Oct to 16:09 on Fri 27 Oct 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.