Friday 2 February

How it was decided

1. 01

   Aṅga

   Pūrṇimā runs from 11:42 on Fri 2 Feb to 07:58 on Sat 3 Feb.

   1912-02-02T03:42:27Z → 1912-02-02T23:57:47Z

2. 02

   Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 12:08–12:56 on the 2nd, 12:08–12:56 on the 3rd.

   madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

3. 03

   Rule

   Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 2nd and 0 of 48 on the 3rd.

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

4. 04

   Tie-break

   Only one midday qualifies. No tie-break is needed.

   priority: paraviddha → only-day · margin 1540 s

5. 05

   Ruling

   Māghī Pūrṇimā, Baoding, 1912: Friday 2 February.

   confidence: determinate

Say it like this

In Baoding, Māghī Pūrṇimā 1912 falls on Friday 2 February. Pūrṇimā runs from 11:42 on Fri 2 Feb to 07:58 on Sat 3 Feb and covers all of madhyāhna that midday.

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Who says what

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