Tuesday 12 July

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 20:38 on Mon 11 Jul to 23:05 on Tue 12 Jul.

   1938-07-11T12:37:55Z → 1938-07-12T15:04:31Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 19:45–20:59 on the 11th, 19:44–20:59 on the 12th.

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

3. 03

   Rule

   Pūrṇimā must be present during pradoṣa. It covers 21 of 74 minutes on the 11th and 74 of 74 on the 12th.

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

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 1268 s

5. 05

   Ruling

   Śiva Śayanotsava, Baoding, 1938: Tuesday 12 July.

   confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Śiva Śayanotsava 1938 falls on Tuesday 12 July. Pūrṇimā runs from 20:38 on Mon 11 Jul to 23:05 on Tue 12 Jul and covers all of pradoṣa that evening. It also reaches the previous evening for 21 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.