Saturday 6 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 17:06 on Fri 5 Mar to 16:14 on Sat 6 Mar.

   2004-03-06T00:05:43Z → 2004-03-06T23:14:16Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 16:09–18:29 on the 5th, 16:09–18:29 on the 6th.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 83 of 139 minutes on the 5th and 5 of 140 on the 6th.

   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 289 s < 300 s

5. 05

   Counted

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

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Phoenix, 2004: Saturday 6 March.

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

Say it like this

In Phoenix, Holī 2004 falls on Saturday 6 March. It is kept the day after Holikā Dahana, which falls on Friday 5 March. Pūrṇimā runs from 17:06 on Fri 5 Mar to 16:14 on Sat 6 Mar and covers 83 of 139 minutes of sāyāhna on the 5th. It also reaches the next late afternoon for 5 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 49 s from a threshold: treat the date as contested.

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Who says what

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