I think this is the first Irish based form I have ever seen on the forum
You need to have something which connects the dates to the locations. One of the best ways to do that is to use an external CSV data set which just lists the locations in one column and the dates in another. Your first question then becomes a "select_one" on the date column of this file. There is a lot of info online about using CSV data sets with ODK forms but if that part doesnt work for you then let us know and hopefully the forum can help you out with that step.
The second part then is displaying the location. I would suggest possibly using a "text" type question and then using a formula in the "calculation" column to identify the location for that date. (I am assuming you are using excel to build your form here - please correct if that assumption is not accurate). Your calculation would probably use the "pulldata()" function and of course the "read_only" column would be set to "TRUE".
Hopefully that gives you the right functions to work with but feel free to post if you hit obstacles. The external dataset is great because it allows you to later change the locations and dates without modifying the form itself.