Sunday 13 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 12:24 on Sat 12 Mar to 11:56 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: 15:47–18:09 on the 12th, 15:47–18:10 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 142 of 142 minutes on the 12th and 0 of 142 on the 13th.

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

4. 04

   Tie-break

   Only one late afternoon qualifies. No tie-break is needed.

   priority: unstated → only-day · margin 12190 s

5. 05

   Counted

   Holī is kept the day after Holikā Dahana: Saturday 12 March is the day taken above.

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Tehran, 1960: Sunday 13 March.

   confidence: determinate

Say it like this

In Tehran, Holī 1960 falls on Sunday 13 March. It is kept the day after Holikā Dahana, which falls on Saturday 12 March. Pūrṇimā runs from 12:24 on Sat 12 Mar to 11:56 on Sun 13 Mar and covers all of sāyāhna on the 12th.

Copy with citation

Who says what

Institutional rulings are recorded with a source address, and are never edited to agree.