Monday 31 October

How it was decided

1. 01

   Aṅga

   Pratipadā runs from 18:38 on Sun 30 Oct to 17:15 on Mon 31 Oct.

   1921-10-30T23:38:26Z → 1921-10-31T22:15:11Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 16:55–18:43 on the 30th, 16:53–18:42 on the 31st.

   pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

3. 03

   Rule

   Pratipadā must be present during pradoṣa. It covers 4 of 108 minutes on the 30th and 22 of 108 on the 31st.

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

4. 04

   Tie-break

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

   priority: unstated → greater-coverage · margin 244 s < 300 s

5. 05

   Ruling

   Bali Pūjā, Queens, 1921: Monday 31 October.

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

Say it like this

In Queens, Bali Pūjā 1921 falls on Monday 31 October. Pratipadā runs from 18:38 on Sun 30 Oct to 17:15 on Mon 31 Oct and covers 22 of 108 minutes of pradoṣa that evening. It also reaches the previous evening for 4 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 04 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.