Tuesday 8 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 16:56 on Mon 7 Mar to 16:41 on Tue 8 Mar.

   1955-03-07T15:56:20Z → 1955-03-08T15:41:13Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 15:58–18:25 on the 7th, 15:58–18:24 on the 8th.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 88 of 147 minutes on the 7th and 43 of 147 on the 8th.

   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 2605 s

5. 05

   Counted

   Holī is kept the day after Holikā Dahana: Monday 7 March is the day taken above.

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Luanda, 1955: Tuesday 8 March.

   confidence: boundary (tie-break-unstated)

Say it like this

In Luanda, Holī 1955 falls on Tuesday 8 March. It is kept the day after Holikā Dahana, which falls on Monday 7 March. Pūrṇimā runs from 16:56 on Mon 7 Mar to 16:41 on Tue 8 Mar and covers 88 of 147 minutes of sāyāhna on the 7th. It also reaches the next late afternoon for 43 minutes; the rule does not say which to take, and the one covered longer is ruled: 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.