Thursday 2 September

How it was decided

1. 01

   Aṅga

   Aṣṭamī runs from 10:37 on Thu 2 Sep to 12:27 on Fri 3 Sep.

   2060-09-02T15:37:19Z → 2060-09-03T17:27:12Z

2. 02

   Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:44–12:32 on the 2nd, 11:43–12:31 on the 3rd.

   madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

3. 03

   Rule

   Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 44 of 48 on the 3rd.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

4. 04

   Tie-break

   Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

   priority: unstated → greater-coverage · margin 251 s < 300 s

5. 05

   Ruling

   Rādhāṣṭamī, Lima, 2060: Thursday 2 September.

   confidence: boundary (margin, tie-break-unstated)

Say it like this

In Lima, Rādhāṣṭamī 2060 falls on Thursday 2 September. Aṣṭamī runs from 10:37 on Thu 2 Sep to 12:27 on Fri 3 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 44 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 11 s from a threshold: treat the date as contested.

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Who says what

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