Yes I may have formulated that part a bit clumsily. What I mean to convey is that the time zone changes between CEST and CET. And this in turn means different U

Yes I may have formulated that part a bit clumsily. What I mean to convey is that the time zone changes between CEST and CET. And this in turn means different UTC offsets. The Europe/Oslo identifier from the time zone databases was meant for context, but may have made what I tried to say less clear, sorry about that.