Monday 13 September

How it was decided

1. 01

   Aṅga

   Aṣṭamī runs from 17:50 on Mon 13 Sep to 18:29 on Tue 14 Sep.

   2055-09-13T16:49:53Z → 2055-09-14T17:29:12Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 18:04–19:40 on the 13th, 18:04–19:39 on the 14th.

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

3. 03

   Rule

   Aṣṭamī must be present during pradoṣa. It covers 96 of 96 minutes on the 13th and 25 of 96 on the 14th.

   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 843 s

5. 05

   Ruling

   Jitāṣṭamī, Luanda, 2055: Monday 13 September.

   confidence: boundary (tie-break-unstated)

Say it like this

In Luanda, Jitāṣṭamī (Jitiya) 2055 falls on Monday 13 September. Aṣṭamī runs from 17:50 on Mon 13 Sep to 18:29 on Tue 14 Sep and covers all of pradoṣa that evening. It also reaches the next evening for 25 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

Copy with citation

Who says what

Institutional rulings are recorded with a source address, and are never edited to agree.