Sunday 16 July

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 19:22 on Sat 15 Jul to 21:55 on Sun 16 Jul.

   2000-07-15T11:22:05Z → 2000-07-16T13:55:13Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 19:29–20:38 on the 15th, 19:29–20:37 on the 16th.

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

3. 03

   Rule

   Pūrṇimā must be present during pradoṣa. It covers 68 of 68 minutes on the 15th and 69 of 69 on the 16th.

   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 439 s

5. 05

   Ruling

   Śiva Śayanotsava, Daqing, 2000: Sunday 16 July.

   confidence: boundary (tie-break-unstated)

Say it like this

In Daqing, Śiva Śayanotsava 2000 falls on Sunday 16 July. Pūrṇimā runs from 19:22 on Sat 15 Jul to 21:55 on Sun 16 Jul and covers all of pradoṣa that evening. It also reaches the previous 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.