Saturday 9 February

How it was decided

1. 01

   Aṅga

   Saptamī runs from 06:33 on Sat 9 Feb to 05:36 on Sun 10 Feb.

   1935-02-08T22:33:25Z → 1935-02-09T21:35:38Z

2. 02

   Kāla

   Aruṇodaya is 2 muhūrtas before sunrise: 05:30–07:18 on the 9th, 05:29–07:17 on the 10th.

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

3. 03

   Rule

   Saptamī must be present during aruṇodaya. It covers 45 of 108 minutes on the 9th and 6 of 108 on the 10th.

   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 386 s

5. 05

   Ruling

   Ratha Saptamī, Baoding, 1935: Saturday 9 February.

   confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Ratha Saptamī 1935 falls on Saturday 9 February. Saptamī runs from 06:33 on Sat 9 Feb to 05:36 on Sun 10 Feb and covers 45 of 108 minutes of aruṇodaya that dawn. It also reaches the next dawn for 6 minutes; the rule does not say which to take, and the one covered longer is ruled: 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.