Sunday 13 October

How it was decided

1. 01

   Aṅga

   Aṣṭamī runs from 23:35 on Sat 12 Oct to 23:42 on Sun 13 Oct.

   2002-10-12T17:34:43Z → 2002-10-13T17:42:13Z

2. 02

   Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:15–12:03 on the 12th, 11:15–12:03 on the 13th.

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

3. 03

   Rule

   Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

4. 04

   Tie-break

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

   priority: paraviddha → only-day · margin 41495 s

5. 05

   Ruling

   Mahāṣṭamī, Chattogram, 2002: Sunday 13 October.

   confidence: determinate

Say it like this

In Chattogram, Mahāṣṭamī (Durga Ashtami) 2002 falls on Sunday 13 October. Aṣṭamī runs from 23:35 on Sat 12 Oct to 23:42 on Sun 13 Oct and covers all of madhyāhna that midday.

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Who says what

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