Tuesday 24 September

How it was decided

1. 01

   Aṅga

   Aṣṭamī runs from 11:36 on Mon 23 Sep to 13:02 on Tue 24 Sep.

   2069-09-23T03:35:59Z → 2069-09-24T05:01:36Z

2. 02

   Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:08–11:56 on the 23rd, 11:08–11:56 on the 24th.

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

3. 03

   Rule

   Aṣṭamī must be present during madhyāhna. It covers 20 of 48 minutes on the 23rd and 48 of 48 on the 24th.

   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 1204 s

5. 05

   Ruling

   Rādhāṣṭamī, Daqing, 2069: Tuesday 24 September.

   confidence: boundary (tie-break-unstated)

Say it like this

In Daqing, Rādhāṣṭamī 2069 falls on Tuesday 24 September. Aṣṭamī runs from 11:36 on Mon 23 Sep to 13:02 on Tue 24 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 20 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

Copy with citation

Who says what

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