Wednesday 27 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 11:55 on Tue 26 Mar to 10:27 on Wed 27 Mar.

   2013-03-26T10:54:53Z → 2013-03-27T09:27:18Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 16:36–19:04 on the 26th, 16:37–19:05 on the 27th.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 148 of 148 minutes on the 26th and 0 of 149 on the 27th.

   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 16873 s

5. 05

   Counted

   Holī is kept the day after Holikā Dahana: Tuesday 26 March is the day taken above.

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Algiers, 2013: Wednesday 27 March.

   confidence: determinate

Say it like this

In Algiers, Holī 2013 falls on Wednesday 27 March. It is kept the day after Holikā Dahana, which falls on Tuesday 26 March. Pūrṇimā runs from 11:55 on Tue 26 Mar to 10:27 on Wed 27 Mar and covers all of sāyāhna on the 26th.

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Who says what

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