This information is due the day before your scheduled check-in day, or by 8:00am EST the day of at the absolute latest in order to be processed that same day. PLEASE BE ON TIME. If it is late, it will be processed as time allows.
Link: watch how to set up and use the tracker on a smartphone (Android shown, iPhone process is similar. NOTE: the video fails to mention you will need to install an such as Google Sheets to be able to edit spreadsheets on your phone, rather than just view them)