My answer would be: The day YHWH rests. As I personally hav…

My answer would be: The day YHWH rests. As I personally have no formal tools to calculate which day that would be on a repetitive cycle unless I assume the current hebrew calander has been kept accurate. Which puts the beginning of a year around "EASTer"
https://twetch.app/t/9800a1818c88580f598326fc5b278c5fef9148322f4edb665fa34ed7aaa6d5f3