Tuesday 2 March

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 17:49 on Mon 1 Mar to 17:58 on Tue 2 Mar.

   1999-03-01T06:48:59Z → 1999-03-02T06:58:27Z

2. 02

   Kāla

   Sāyāhna is last 3 of 15 day muhūrtas: 17:25–20:01 on the 1st, 17:24–19:59 on the 2nd.

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

3. 03

   Rule

   Pūrṇimā must be present during sāyāhna. It covers 132 of 155 minutes on the 1st and 34 of 155 on the 2nd.

   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 1420 s

5. 05

   Counted

   Holī is kept the day after Holikā Dahana: Monday 1 March is the day taken above.

   follows: holika-dahana + 1 d

6. 06

   Ruling

   Holī, Melbourne, 1999: Tuesday 2 March.

   confidence: boundary (tie-break-unstated)

Say it like this

In Melbourne, Holī 1999 falls on Tuesday 2 March. It is kept the day after Holikā Dahana, which falls on Monday 1 March. Pūrṇimā runs from 17:49 on Mon 1 Mar to 17:58 on Tue 2 Mar and covers 132 of 155 minutes of sāyāhna on the 1st. It also reaches the next late afternoon for 34 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.