Mahānavamī

1. १Step 1, Aṅga

   Navamī runs from 17:56 on Mon 22 Oct to 17:08 on Tue 23 Oct.

   2012-10-22T14:56:01Z → 2012-10-23T14:08:22Z
2. २Step 2, Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 10:54–11:42 on the 22nd, 10:54–11:42 on the 23rd.

   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 22nd and 48 of 48 on the 23rd.

   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 19582 s
5. ५Step 5, Ruling

   Mahānavamī, Doha, 2012: Tuesday 23 October.

   confidence: determinate

In Doha, Mahānavamī 2012 falls on Tuesday 23 October. Navamī runs from 17:56 on Mon 22 Oct to 17:08 on Tue 23 Oct and covers all of madhyāhna that midday.

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

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.