Hello. I have the 4 days in 1 month global eurorail pass. I understand travel days must be selected on the pass prior to midnight of that day. I already have the travel day I know I will be travelling by train selected, however I am unsure of which train that day I will be taking, none of them require seat reservations. Am I able to select and add a journey on that day to my pass the day of the trip, or does it need to be in advance like adding travel days?
Thank you.