I had this same problem with v1.42
It was working fine previously, then one day I noticed the timing was off even though the settings all looked right. I don’t know if something I did triggered it or if it was just random. Changing the timezone to eastern, then back to pacific (as suggested above) fixed the problem.
Reply To: Clock Bug V1.41 iconoclast 2017-12-22T00:58:01+00:00