Wednesday 26 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 16:43 on Tue 25 Mar to 17:32 on Wed 26 Mar.

   2070-03-25T16:42:56Z → 2070-03-26T17:31:38Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 16:39–19:05 on the 25th, 16:39–19:05 on the 26th.

   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 146 minutes on the 25th and 52 of 146 on the 26th.

   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 209 s < 300 s

5. 05

   Counted

   Holī is kept the day after Holikā Dahana: Tuesday 25 March is the day taken above.

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Conakry, 2070: Wednesday 26 March.

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

Say it like this

In Conakry, Holī 2070 falls on Wednesday 26 March. It is kept the day after Holikā Dahana, which falls on Tuesday 25 March. Pūrṇimā runs from 16:43 on Tue 25 Mar to 17:32 on Wed 26 Mar and covers 142 of 146 minutes of sāyāhna on the 25th. It also reaches the next late afternoon for 52 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 3 min 29 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.