The core of the problem is that I am incorrectly storing bank holiday start points in epoch seconds based on UTC0. Of course they actualy start at localtime == 00:00:00. I think I need to revise the code to store bank hols as (YYYY-1900):MM:DD, then compare to the appropriate fields of locatime($epoch).

original node updated with fixed code.

Cheers,
R.

Pereant, qui ante nos nostra dixerunt!

In reply to Re^4: efficient determination of in/out of hours by Random_Walk
in thread efficient determination of in/out of hours including Bank Holidays by Random_Walk

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