Friday 6 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 16:28 on Wed 4 Mar to 19:05 on Thu 5 Mar.

   2015-03-04T15:27:54Z → 2015-03-05T18:05:24Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 16:26–18:44 on the 4th, 16:27–18:45 on the 5th.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 136 of 138 minutes on the 4th and 138 of 138 on the 5th.

   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 90 s < 300 s

5. 05

   Counted

   Holī is kept the day after Holikā Dahana: Thursday 5 March is the day taken above.

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Algiers, 2015: Friday 6 March.

   confidence: boundary (margin, tie-break-unstated)

Say it like this

In Algiers, Holī 2015 falls on Friday 6 March. It is kept the day after Holikā Dahana, which falls on Thursday 5 March. Pūrṇimā runs from 16:28 on Wed 4 Mar to 19:05 on Thu 5 Mar and covers all of sāyāhna on the 5th. It also reaches the previous late afternoon for 136 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 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.