Saturday 22 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 18:55 on Thu 20 Mar to 19:40 on Fri 21 Mar.

   2008-03-20T17:55:10Z → 2008-03-21T18:39:57Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 16:34–18:59 on the 20th, 16:34–19:00 on the 21st.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 4 of 146 minutes on the 20th and 146 of 146 on the 21st.

   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 258 s < 300 s

5. 05

   Counted

   Holī is kept the day after Holikā Dahana: Friday 21 March is the day taken above.

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Algiers, 2008: Saturday 22 March.

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

Say it like this

In Algiers, Holī 2008 falls on Saturday 22 March. It is kept the day after Holikā Dahana, which falls on Friday 21 March. Pūrṇimā runs from 18:55 on Thu 20 Mar to 19:40 on Fri 21 Mar and covers all of sāyāhna on the 21st. It also reaches the previous late afternoon for 4 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 4 min 18 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.