Thursday 21 September

How it was decided

1. 01

   Aṅga

   Aṣṭamī runs from 11:37 on Wed 20 Sep to 13:35 on Thu 21 Sep.

   2034-09-20T05:37:10Z → 2034-09-21T07:35:01Z

2. 02

   Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:22–12:10 on the 20th, 11:22–12:10 on the 21st.

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

3. 03

   Rule

   Aṣṭamī must be present during madhyāhna. It covers 33 of 48 minutes on the 20th and 48 of 48 on the 21st.

   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 909 s

5. 05

   Ruling

   Rādhāṣṭamī, Chattogram, 2034: Thursday 21 September.

   confidence: boundary (tie-break-unstated)

Say it like this

In Chattogram, Rādhāṣṭamī 2034 falls on Thursday 21 September. Aṣṭamī runs from 11:37 on Wed 20 Sep to 13:35 on Thu 21 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 33 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.