Sunday 25 August

How it was decided

1. 01

   Aṅga

   Caturdaśī runs from 19:38 on Sat 24 Aug to 21:52 on Sun 25 Aug.

   2041-08-24T11:37:42Z → 2041-08-25T13:52:22Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 19:00–20:26 on the 24th, 18:59–20:25 on the 25th.

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

3. 03

   Rule

   Caturdaśī must be present during pradoṣa. It covers 48 of 85 minutes on the 24th and 86 of 86 on the 25th.

   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 2245 s

5. 05

   Ruling

   Aghora Caturdaśī, Baoding, 2041: Sunday 25 August.

   confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Aghora Caturdaśī 2041 falls on Sunday 25 August. Caturdaśī runs from 19:38 on Sat 24 Aug to 21:52 on Sun 25 Aug and covers all of pradoṣa that evening. It also reaches the previous evening for 48 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.