Rādhāṣṭamī

1. १Step 1, Aṅga

   Aṣṭamī runs from 23:47 on Wed 10 Sep to 21:34 on Thu 11 Sep.

   1986-09-10T20:46:42Z → 1986-09-11T18:33:49Z
2. २Step 2, Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 10th, 11:06–11:54 on the 11th.

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

   Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 10th and 48 of 48 on the 11th.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103
4. ४Step 4, Tie-break

   Only one midday qualifies. No tie-break is needed.

   one day qualifies → only-day · margin 34762 s
5. ५Step 5, Ruling

   Rādhāṣṭamī, Doha, 1986: Thursday 11 September.

   confidence: determinate

In Doha, Rādhāṣṭamī 1986 falls on Thursday 11 September. Aṣṭamī runs from 23:47 on Wed 10 Sep to 21:34 on Thu 11 Sep and covers all of madhyāhna that midday.

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

Month

Bhādrapada, amānta

Pakṣa · aṅga

Śukla · Aṣṭamī

Kāla

Madhyāhna

Priority

Unstated

Tie-break

Longer coverage, as a boundary

Reference

CRC 1955, p. 103

S 8 Durvastami (purvaviddha — S 8 of saura Bhadra except Bengal), Mahalaksmi vratarambha, Radhastami (madhyahna vyapini) Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.