I have set up a basic rule for when I am away as below:
However the lights come on one hour later than expected, when I look at the log I see that the trigger occurred an hour later.
I am not sure why this is occurring as the hub is set to GMT and the time shown (in UTC) is correct.
Rule was set up prior to summer time but changed after summer time came into effect.
Your time settings are wrong. I'm also in the UK and have just checked mine. Your current hub time is showing as UTC as are your sunrise and sunset times. They should be followed with 'GMT +1' not 'UTC'. Also your timezone is showing as GMT, it should be 'Europe/London'
In the timezone box, go further down and select 'Europe/London' otherwise it will always follow GMT even when it's BST. (I made the same mistake when I set up my Hubitat a couple of years ago)
Many thanks I was struggling to work out what was going on.
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