Sunday 11 September

How it was decided

1. 01

   Aṅga

   Aṣṭamī runs from 10:28 on Sun 11 Sep to 11:46 on Mon 12 Sep.

   2089-09-11T05:27:36Z → 2089-09-12T06:46:29Z

2. 02

   Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 11th, 11:46–12:34 on the 12th.

   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 11th and 0 of 48 on the 12th.

   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 12 s < 300 s

5. 05

   Ruling

   Rādhāṣṭamī, Multan, 2089: Sunday 11 September.

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

Say it like this

In Multan, Rādhāṣṭamī 2089 falls on Sunday 11 September. Aṣṭamī runs from 10:28 on Sun 11 Sep to 11:46 on Mon 12 Sep and covers all of madhyāhna that midday. It also reaches the next midday for 0 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 12 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.