Rādhāṣṭamī

1. १Step 1, Aṅga

   Aṣṭamī runs from 22:49 on Sun 19 Sep to 01:16 on Tue 21 Sep.

   1920-09-19T15:42:06Z → 1920-09-20T18:09:03Z
2. २Step 2, Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:29–12:17 on the 20th, 11:29–12:17 on the 21st.

   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 20th and 0 of 48 on the 21st.

   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.

   priority: unstated → only-day · margin 36776 s
5. ५Step 5, Ruling

   Rādhāṣṭamī, Depok, 1920: Monday 20 September.

   confidence: determinate

In Depok, Rādhāṣṭamī 1920 falls on Monday 20 September. Aṣṭamī runs from 22:49 on Sun 19 Sep to 01:16 on Tue 21 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.