Tuesday 27 October

How it was decided

1. 01

   Aṅga

   Amāvasyā runs from 23:50 on Mon 26 Oct to 01:43 on Wed 28 Oct.

   1981-10-26T18:20:22Z → 1981-10-27T20:13:16Z

2. 02

   Kāla

   Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 26th, 23:47–00:35 on the 27th.

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

3. 03

   Rule

   Amāvasyā must be present during niśītha. It covers 44 of 48 minutes on the 26th and 48 of 48 on the 27th.

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

4. 04

   Tie-break

   Both nights qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

   priority: unstated → greater-coverage · margin 215 s < 300 s

5. 05

   Ruling

   Kālī Pūjā, Indore, 1981: Tuesday 27 October.

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

Say it like this

In Indore, Kālī Pūjā 1981 falls on Tuesday 27 October. Amāvasyā runs from 23:50 on Mon 26 Oct to 01:43 on Wed 28 Oct and covers all of niśītha that night. It also reaches the previous night for 44 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 35 s from a threshold: 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.