Thursday 28 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 16:12 on Tue 26 Mar to 18:38 on Wed 27 Mar.

   1918-03-26T13:05:57Z → 1918-03-27T15:32:25Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 15:45–18:12 on the 26th, 15:46–18:13 on the 27th.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 120 of 147 minutes on the 26th and 147 of 147 on the 27th.

   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 1547 s

5. 05

   Counted

   Holī is kept the day after Holikā Dahana: Wednesday 27 March is the day taken above.

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Riyadh, 1918: Thursday 28 March.

   confidence: boundary (tie-break-unstated)

Say it like this

In Riyadh, Holī 1918 falls on Thursday 28 March. It is kept the day after Holikā Dahana, which falls on Wednesday 27 March. Pūrṇimā runs from 16:12 on Tue 26 Mar to 18:38 on Wed 27 Mar and covers all of sāyāhna on the 27th. It also reaches the previous late afternoon for 120 minutes; the rule does not say which to take, and the one covered longer is ruled: 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.