Monday 14 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 16:54 on Sat 12 Mar to 16:26 on Sun 13 Mar.

   1960-03-12T08:53:56Z → 1960-03-13T08:25:48Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 15:21–17:41 on the 12th, 15:21–17:42 on the 13th.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 47 of 140 minutes on the 12th and 65 of 141 on the 13th.

   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 2805 s

5. 05

   Counted

   Holī is kept the day after Holikā Dahana: Sunday 13 March is the day taken above.

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Daqing, 1960: Monday 14 March.

   confidence: boundary (tie-break-unstated)

Say it like this

In Daqing, Holī 1960 falls on Monday 14 March. It is kept the day after Holikā Dahana, which falls on Sunday 13 March. Pūrṇimā runs from 16:54 on Sat 12 Mar to 16:26 on Sun 13 Mar and covers 65 of 141 minutes of sāyāhna on the 13th. It also reaches the previous late afternoon for 47 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.