Saturday 13 July

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 16:40 on Sat 13 Jul to 18:23 on Sun 14 Jul.

   1946-07-13T07:40:16Z → 1946-07-14T09:22:34Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 17:48–20:44 on the 13th, 17:47–20:43 on the 14th.

   sayahna: day-muhurta-13-15 · sunrise and sunset: upper limb, 31′ + 16′

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 176 of 176 minutes on the 13th and 35 of 176 on the 14th.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

4. 04

   Tie-break

   Both late afternoons qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

   priority: unstated → greater-coverage · margin 2107 s

5. 05

   Ruling

   Kokilā Vrata, Baoding, 1946: Saturday 13 July.

   confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Kokilā Vrata 1946 falls on Saturday 13 July. Pūrṇimā runs from 16:40 on Sat 13 Jul to 18:23 on Sun 14 Jul and covers all of sāyāhna that late afternoon. It also reaches the next late afternoon for 35 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.