Sunday 20 January

How it was decided

1. 01

   Aṅga

   Caturthī runs from 19:12 on Sat 19 Jan to 17:55 on Sun 20 Jan.

   2075-01-19T11:11:32Z → 2075-01-20T09:54:34Z

2. 02

   Kāla

   Pradoṣa is 2 muhūrtas after sunset: 17:24–19:17 on the 19th, 17:25–19:18 on the 20th.

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

3. 03

   Rule

   Caturthī must be present during pradoṣa. It covers 6 of 113 minutes on the 19th and 29 of 113 on the 20th.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

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 350 s

5. 05

   Ruling

   Tila Caturthī, Baoding, 2075: Sunday 20 January.

   confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Tila Caturthī 2075 falls on Sunday 20 January. Caturthī runs from 19:12 on Sat 19 Jan to 17:55 on Sun 20 Jan and covers 29 of 113 minutes of pradoṣa that evening. It also reaches the previous evening for 6 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.