Thursday 21 September

How it was decided

1. 01

   Aṅga

   Aṣṭamī runs from 15:51 on Thu 21 Sep to 18:16 on Fri 22 Sep.

   2084-09-21T07:51:18Z → 2084-09-22T10:15:35Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 18:16–19:51 on the 21st, 18:14–19:49 on the 22nd.

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

3. 03

   Rule

   Aṣṭamī must be present during pradoṣa. It covers 95 of 95 minutes on the 21st and 1 of 95 on the 22nd.

   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 72 s < 300 s

5. 05

   Ruling

   Jitāṣṭamī, Baoding, 2084: Thursday 21 September.

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

Say it like this

In Baoding, Jitāṣṭamī (Jitiya) 2084 falls on Thursday 21 September. Aṣṭamī runs from 15:51 on Thu 21 Sep to 18:16 on Fri 22 Sep and covers all of pradoṣa that evening. It also reaches the next evening for 1 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 12 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.