Thursday 27 August

How it was decided

1. 01

   Aṅga

   Caturdaśī runs from 16:51 on Thu 27 Aug to 19:21 on Fri 28 Aug.

   2076-08-27T08:51:08Z → 2076-08-28T11:21:05Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 18:55–20:22 on the 27th, 18:54–20:21 on the 28th.

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

3. 03

   Rule

   Caturdaśī must be present during pradoṣa. It covers 87 of 87 minutes on the 27th and 27 of 87 on the 28th.

   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 1636 s

5. 05

   Ruling

   Aghora Caturdaśī, Baoding, 2076: Thursday 27 August.

   confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Aghora Caturdaśī 2076 falls on Thursday 27 August. Caturdaśī runs from 16:51 on Thu 27 Aug to 19:21 on Fri 28 Aug and covers all of pradoṣa that evening. It also reaches the next evening for 27 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.