Tuesday 12 September

How it was decided

1. 01

   Aṅga

   Aṣṭamī runs from 18:19 on Mon 11 Sep to 20:43 on Tue 12 Sep.

   1933-09-11T08:19:03Z → 1933-09-12T10:42:51Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 18:06–19:45 on the 11th, 18:07–19:45 on the 12th.

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

3. 03

   Rule

   Aṣṭamī must be present during pradoṣa. It covers 86 of 99 minutes on the 11th and 98 of 98 on the 12th.

   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 769 s

5. 05

   Ruling

   Jitāṣṭamī, Melbourne, 1933: Tuesday 12 September.

   confidence: boundary (tie-break-unstated)

Say it like this

In Melbourne, Jitāṣṭamī (Jitiya) 1933 falls on Tuesday 12 September. Aṣṭamī runs from 18:19 on Mon 11 Sep to 20:43 on Tue 12 Sep and covers all of pradoṣa that evening. It also reaches the previous evening for 86 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.