Sunday 29 November

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 15:44 on Sun 29 Nov to 16:11 on Mon 30 Nov.

   1925-11-29T07:43:45Z → 1925-11-30T08:10:51Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 15:56–17:56 on the 29th, 15:55–17:56 on the 30th.

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

3. 03

   Rule

   Pūrṇimā must be present during pradoṣa. It covers 121 of 121 minutes on the 29th and 16 of 121 on the 30th.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

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 710 s

5. 05

   Ruling

   Dattātreyotpatti, Daqing, 1925: Sunday 29 November.

   confidence: boundary (tie-break-unstated)

Say it like this

In Daqing, Dattātreyotpatti (Datta Jayanti) 1925 falls on Sunday 29 November. Pūrṇimā runs from 15:44 on Sun 29 Nov to 16:11 on Mon 30 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 16 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.