Monday 18 September

How it was decided

1. 01

   Aṅga

   Aṣṭamī runs from 18:32 on Mon 18 Sep to 20:45 on Tue 19 Sep.

   1916-09-18T16:32:12Z → 1916-09-19T18:44:34Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 19:15–20:47 on the 18th, 19:13–20:45 on the 19th.

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

3. 03

   Rule

   Aṣṭamī must be present during pradoṣa. It covers 92 of 92 minutes on the 18th and 92 of 93 on the 19th.

   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 52 s < 300 s

5. 05

   Ruling

   Jitāṣṭamī, Berlin, 1916: Monday 18 September.

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

Say it like this

In Berlin, Jitāṣṭamī (Jitiya) 1916 falls on Monday 18 September. Aṣṭamī runs from 18:32 on Mon 18 Sep to 20:45 on Tue 19 Sep and covers all of pradoṣa that evening. It also reaches the next evening for 92 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 0 min 52 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.