The input formats and the corresponding response need to be as per the listed tests.
You can try the provided app (https://timestamp-microservice.freecodecamp.rocks/) with similar functionality. Try the various queries/tests and the results - and see if your results match for the same query/data.
P.S.: Please use the <Reply> button when you are replying to a specific post/comment, so that I or the poster can see the notification.