Mahānavamī

1. १Step 1, Aṅga

   Navamī runs from 17:38 on Wed 13 Oct to 16:23 on Thu 14 Oct.

   2021-10-13T14:38:14Z → 2021-10-14T13:22:51Z
2. २Step 2, Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 10:56–11:44 on the 13th, 10:56–11:44 on the 14th.

   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 13th and 48 of 48 on the 14th.

   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 16750 s
5. ५Step 5, Ruling

   Mahānavamī, Doha, 2021: Thursday 14 October.

   confidence: determinate

In Doha, Mahānavamī 2021 falls on Thursday 14 October. Navamī runs from 17:38 on Wed 13 Oct to 16:23 on Thu 14 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.