Thursday 14 February

How it was decided

1. 01

   Aṅga

   Saptamī runs from 03:59 on Thu 14 Feb to 06:26 on Fri 15 Feb.

   2092-02-13T19:59:26Z → 2092-02-14T22:26:28Z

2. 02

   Kāla

   Aruṇodaya is 2 muhūrtas before sunrise: 05:25–07:12 on the 14th, 05:24–07:10 on the 15th.

   arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′

3. 03

   Rule

   Saptamī must be present during aruṇodaya. It covers 106 of 106 minutes on the 14th and 62 of 106 on the 15th.

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

4. 04

   Tie-break

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

   priority: unstated → greater-coverage · margin 2633 s

5. 05

   Ruling

   Ratha Saptamī, Baoding, 2092: Thursday 14 February.

   confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Ratha Saptamī 2092 falls on Thursday 14 February. Saptamī runs from 03:59 on Thu 14 Feb to 06:26 on Fri 15 Feb and covers all of aruṇodaya that dawn. It also reaches the next dawn for 62 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.