Does AADSAS ask for specific "days" that you shadowed, or would like the month and year be enough? I don't know the exact days and time I shadowed my dentists...but I do know the month and could probably come up with a general range of when I shadowed....I just marked the hours at at the end of each week; didn't really write what days..Off the top of my head...
Unofficial transcripts for reference
Hours and dates of shadowing/volunteering/ECs
Personal statement (hopefully it's done and perfect)
Pick though the instructions or what's involved.
PM me an email address if you want a copy of the actual application to look at instead of just text instructions that link shows you.