Sunday 15 July

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 17:38 on Sat 14 Jul to 19:56 on Sun 15 Jul.

   1973-07-14T09:38:09Z → 1973-07-15T11:55:53Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 16:47–19:43 on the 14th, 16:47–19:43 on the 15th.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 125 of 176 minutes on the 14th and 176 of 176 on the 15th.

   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 792 s

5. 05

   Ruling

   Kokilā Vrata, Baoding, 1973: Sunday 15 July.

   confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Kokilā Vrata 1973 falls on Sunday 15 July. Pūrṇimā runs from 17:38 on Sat 14 Jul to 19:56 on Sun 15 Jul and covers all of sāyāhna that late afternoon. It also reaches the previous late afternoon for 125 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.