Saturday 16 September

How it was decided

1. 01

   Aṅga

   Aṣṭamī runs from 12:05 on Fri 15 Sep to 14:15 on Sat 16 Sep.

   1972-09-15T06:05:07Z → 1972-09-16T08:14:33Z

2. 02

   Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:24–12:12 on the 15th, 11:23–12:11 on the 16th.

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

3. 03

   Rule

   Aṣṭamī must be present during madhyāhna. It covers 7 of 48 minutes on the 15th and 48 of 48 on the 16th.

   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 397 s

5. 05

   Ruling

   Rādhāṣṭamī, Chattogram, 1972: Saturday 16 September.

   confidence: boundary (tie-break-unstated)

Say it like this

In Chattogram, Rādhāṣṭamī 1972 falls on Saturday 16 September. Aṣṭamī runs from 12:05 on Fri 15 Sep to 14:15 on Sat 16 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 7 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.