Mahāṣṭamī

1. १Step 1, Aṅga

   Aṣṭamī runs from 01:07 on Sun 15 Oct to 02:32 on Mon 16 Oct.

   1972-10-15T00:07:07Z → 1972-10-16T01:31:41Z
2. २Step 2, Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 15th, 11:29–12:17 on the 16th.

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

   Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 15th and 0 of 48 on the 16th.

   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: paraviddha → only-day · margin 32219 s
5. ५Step 5, Ruling

   Mahāṣṭamī, Luanda, 1972: Sunday 15 October.

   confidence: determinate

In Luanda, Mahāṣṭamī (Durga Ashtami) 1972 falls on Sunday 15 October. Aṣṭamī runs from 01:07 on Sun 15 Oct to 02:32 on Mon 16 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 · Aṣṭamī

Kāla

Madhyāhna

Priority

Paraviddhā

Tie-break

Second day

Reference

CRC 1955, p. 104

S 8 Mahastami (paraviddha) Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.