Saturday 4 February

How it was decided

1. 01

   Aṅga

   Pañcamī runs from 09:11 on Sat 4 Feb to 11:32 on Sun 5 Feb.

   2090-02-04T01:11:26Z → 2090-02-05T03:31:38Z

2. 02

   Kāla

   Madhyāhna is 1 ghaṭikā either side of midday: 11:30–12:18 on the 4th, 11:30–12:18 on the 5th.

   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 4th and 1 of 48 on the 5th.

   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 72 s < 300 s

5. 05

   Ruling

   Vasanta Pañcamī, Daqing, 2090: Saturday 4 February.

   confidence: boundary (margin, tie-break-unstated)

Say it like this

In Daqing, Vasanta Pañcamī 2090 falls on Saturday 4 February. Pañcamī runs from 09:11 on Sat 4 Feb to 11:32 on Sun 5 Feb and covers all of madhyāhna that midday. It also reaches the next midday for 1 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested. It is 1 min 12 s from a threshold: treat the date as contested.

Copy with citation

Who says what

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