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

   Sāyāhna is last 3 of 15 day muhūrtas: 16:34–19:15 on the 17th, 16:34–19:15 on the 18th.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 26 of 161 minutes on the 17th and 161 of 161 on the 18th.

   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 1579 s

5. 05

   Ruling

   Kokilā Vrata, Ujjain, 2027: Sunday 18 July.

   confidence: boundary (tie-break-unstated)

Say it like this

In Ujjain, Kokilā Vrata 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 sāyāhna that late afternoon. It also reaches the previous late afternoon for 26 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.