Sunday 18 July

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 18:49 on Sat 17 Jul to 21:15 on Sun 18 Jul.

   2027-07-17T13:18:39Z → 2027-07-18T15:44:56Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 19:15–20:40 on the 17th, 19:15–20:40 on the 18th.

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

3. 03

   Rule

   Pūrṇimā must be present during pradoṣa. It covers 85 of 85 minutes on the 17th and 85 of 85 on the 18th.

   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 1579 s

5. 05

   Ruling

   Śiva Śayanotsava, Ujjain, 2027: Sunday 18 July.

   confidence: boundary (tie-break-unstated)

Say it like this

In Ujjain, Śiva Śayanotsava 2027 falls on Sunday 18 July. Pūrṇimā runs from 18:49 on Sat 17 Jul to 21:15 on Sun 18 Jul and covers all of pradoṣa that evening. It also reaches the previous evening for 85 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.