Quick clarification: you mentioned in the title that it's a date and time picker, but the description only mentions a week picker. Could you clarify which features you need, and an example?
In the meantime, here's a quick example of a week picker, which might be easier for older audiences to use, for a couple reasons:
It is visually similar to a paper ...
Not surprisingly this question should be answered in the context of either the problem you are trying to solve or the purpose of wanting to expose the score.
Short answer - it can be, with the emphasis on CAN (and not will)
If the problem is that users don't have a more effective way to sifting through the information, exposing the score ...