Sunday 11 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 01:33 on Sat 10 Mar to 23:14 on Sat 10 Mar.

   1906-03-09T22:35:43Z → 1906-03-10T20:17:08Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 15:46–18:05 on the 9th, 15:46–18:06 on the 10th.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 0 of 140 minutes on the 9th and 140 of 140 on the 10th.

   Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

4. 04

   Tie-break

   Only one late afternoon qualifies. No tie-break is needed.

   priority: unstated → only-day · margin 18469 s

5. 05

   Counted

   Holī is kept the day after Holikā Dahana: Saturday 10 March is the day taken above.

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Mosul, 1906: Sunday 11 March.

   confidence: determinate

Say it like this

In Mosul, Holī 1906 falls on Sunday 11 March. It is kept the day after Holikā Dahana, which falls on Saturday 10 March. Pūrṇimā runs from 01:33 on Sat 10 Mar to 23:14 on Sat 10 Mar and covers all of sāyāhna on the 10th.

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Who says what

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