Friday 22 January

How it was decided

1. 01

   Aṅga

   Pañcamī runs from 10:14 on Fri 22 Jan to 12:43 on Sat 23 Jan.

   1904-01-22T02:13:46Z → 1904-01-23T04:42:53Z

2. 02

   Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 12:06–12:54 on the 22nd, 12:06–12:54 on the 23rd.

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

3. 03

   Rule

   Pañcamī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 37 of 48 on the 23rd.

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

4. 04

   Tie-break

   Both middays qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

   priority: unstated → greater-coverage · margin 665 s

5. 05

   Ruling

   Vasanta Pañcamī, Baoding, 1904: Friday 22 January.

   confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Vasanta Pañcamī 1904 falls on Friday 22 January. Pañcamī runs from 10:14 on Fri 22 Jan to 12:43 on Sat 23 Jan and covers all of madhyāhna that midday. It also reaches the next midday for 37 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.