Implementation of setting multiple values/objects as valid/invalid


I have some kind of modal where I need to show dates (each one is representing an object). Every date can be set as valid or invalid. I'm wondering how the UI should look like. I'm thinking about two options:

  • radio buttons:
    enter image description here
  • transfer list:
    enter image description here
    I am not sure what is the best solution here. Of course I am open to any other ideas. Any advice form the UX point of view? :)
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