jvdz wrote: Sunday 07 January 2018 20:26 Forum search is your friend as this is extensively discuss and fix is awaiting to be merged and new Beta to be build:
http://www.domoticz.com/forum/viewtopic.php?f=6&t=21013

Jos

Thank you! I searched but not good enough it seems

I am running the latest beta (3.8799) on Windows with two Z-Wave light switches and I have the same problem. On Time does not work. Haven't tried the sunrise and sunset timers.