Saturday 17 October

How it was decided

1. 01

   Aṅga

   Pratipadā runs from 19:06 on Sat 17 Oct to 18:24 on Sun 18 Oct.

   1925-10-17T18:05:36Z → 1925-10-18T17:23:41Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 18:01–19:35 on the 17th, 18:02–19:35 on the 18th.

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

3. 03

   Rule

   Pratipadā must be present during pradoṣa. It covers 29 of 94 minutes on the 17th and 22 of 94 on the 18th.

   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 1330 s

5. 05

   Ruling

   Bali Pūjā, Luanda, 1925: Saturday 17 October.

   confidence: boundary (tie-break-unstated)

Say it like this

In Luanda, Bali Pūjā 1925 falls on Saturday 17 October. Pratipadā runs from 19:06 on Sat 17 Oct to 18:24 on Sun 18 Oct and covers 29 of 94 minutes of pradoṣa that evening. It also reaches the next evening for 22 minutes; the rule does not say which to take, and the one covered longer is ruled: 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.