Thursday 10 September

How it was decided

1. 01

   Aṅga

   Aṣṭamī runs from 20:24 on Wed 9 Sep to 22:08 on Thu 10 Sep.

   1925-09-09T11:24:19Z → 1925-09-10T13:08:03Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 18:56–20:26 on the 9th, 18:55–20:25 on the 10th.

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

3. 03

   Rule

   Aṣṭamī must be present during pradoṣa. It covers 2 of 90 minutes on the 9th and 91 of 91 on the 10th.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

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 128 s < 300 s

5. 05

   Ruling

   Jitāṣṭamī, Pyongyang, 1925: Thursday 10 September.

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

Say it like this

In Pyongyang, Jitāṣṭamī (Jitiya) 1925 falls on Thursday 10 September. Aṣṭamī runs from 20:24 on Wed 9 Sep to 22:08 on Thu 10 Sep and covers all of pradoṣa that evening. It also reaches the previous evening for 2 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 2 min 08 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.