If you have it set to All, it includes time, so the script is checked every minuet. So it will trigger every min while allconditions are met.
If you change it to device - it will only trigger when one of the devices changes state - and your time conditions are met.
running domoticz 3.4834 on rpi2, with
Hue bridge / bulbs.
lightwave rf sockets, mood controlers, sensors & contacts.
Home bridge / Siri.
Ha bridge / echo Alexa.
Hard wired alarm system - setting home / away status.