Monday 25 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 16:25 on Sun 24 Mar to 15:46 on Mon 25 Mar.

   1929-03-24T08:25:20Z → 1929-03-25T07:46:09Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 15:29–17:57 on the 24th, 15:29–17:58 on the 25th.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 91 of 148 minutes on the 24th and 17 of 148 on the 25th.

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

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 1004 s

5. 05

   Counted

   Holī is kept the day after Holikā Dahana: Sunday 24 March is the day taken above.

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Daqing, 1929: Monday 25 March.

   confidence: boundary (tie-break-unstated)

Say it like this

In Daqing, Holī 1929 falls on Monday 25 March. It is kept the day after Holikā Dahana, which falls on Sunday 24 March. Pūrṇimā runs from 16:25 on Sun 24 Mar to 15:46 on Mon 25 Mar and covers 91 of 148 minutes of sāyāhna on the 24th. It also reaches the next late afternoon for 17 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.