Monday 10 July

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 18:43 on Mon 10 Jul to 20:53 on Tue 11 Jul.

   1911-07-10T10:43:10Z → 1911-07-11T12:53:05Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 19:45–20:59 on the 10th, 19:45–20:59 on the 11th.

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

3. 03

   Rule

   Pūrṇimā must be present during pradoṣa. It covers 74 of 74 minutes on the 10th and 68 of 74 on the 11th.

   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 363 s

5. 05

   Ruling

   Śiva Śayanotsava, Baoding, 1911: Monday 10 July.

   confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Śiva Śayanotsava 1911 falls on Monday 10 July. Pūrṇimā runs from 18:43 on Mon 10 Jul to 20:53 on Tue 11 Jul and covers all of pradoṣa that evening. It also reaches the next evening for 68 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.