Monday 8 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 17:30 on Sat 6 Mar to 16:38 on Sun 7 Mar.

   2088-03-06T11:30:05Z → 2088-03-07T10:37:50Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 15:37–17:59 on the 6th, 15:37–17:59 on the 7th.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 29 of 142 minutes on the 6th and 61 of 142 on the 7th.

   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 1720 s

5. 05

   Counted

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

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Chattogram, 2088: Monday 8 March.

   confidence: boundary (tie-break-unstated)

Say it like this

In Chattogram, Holī 2088 falls on Monday 8 March. It is kept the day after Holikā Dahana, which falls on Sunday 7 March. Pūrṇimā runs from 17:30 on Sat 6 Mar to 16:38 on Sun 7 Mar and covers 61 of 142 minutes of sāyāhna on the 7th. It also reaches the previous late afternoon for 29 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.