I am looking to find out where I can make changes to how the date is displayed. I require to grab a date from a K2 Extra Field instead of the defaults (Published date or Created date).

My Extra Field is a type of date picker, so the format is the same as created or published dates. I know the code used to reference my extra field, however I am unsure which file(s) I need to modify to accomplish this task. I am wondering if someone is able to inform me which file(s) I will need to update to accomplish this task?

Any help would be greatly appreciated and I don't mind posting a working solution after testing.