Monday 27 August

How it was decided

1. 01

   Aṅga

   Caturthī runs from 14:05 on Mon 27 Aug to 16:17 on Tue 28 Aug.

   2029-08-27T06:05:14Z → 2029-08-28T08:16:49Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 16:17–18:56 on the 27th, 16:16–18:54 on the 28th.

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

3. 03

   Rule

   Caturthī must be present during sāyāhna. It covers 159 of 159 minutes on the 27th and 0 of 158 on the 28th.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

4. 04

   Tie-break

   Both late afternoons qualify. Pūrvaviddhā: the first is taken.

   priority: purvaviddha → purvaviddha · margin 30 s < 300 s

5. 05

   Ruling

   Bahulā Caturthī, Baoding, 2029: Monday 27 August.

   confidence: boundary (margin)

Say it like this

In Baoding, Bahulā Caturthī 2029 falls on Monday 27 August. Caturthī runs from 14:05 on Mon 27 Aug to 16:17 on Tue 28 Aug and covers all of sāyāhna that late afternoon. It also reaches the next late afternoon for 0 minutes; by the rule the first late afternoon is taken. It is 0 min 30 s from a threshold: 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.