Thank you again for the support. I read this article and also this one I am going through several posts with similar issues. This one for example.
Since I am not a developer many times it is change and try in my case. But… I am learning.
No this is not the case. I use in other widgets itemValue and it works perfectly. It has sth with the original Item format. Since it is the Number:Time not the Date:Time it might cause issues. I will figure it out. need time an a little bit of experts support.