10 hours 6 mins at age 22. Finished PPL at about 44 hours (it was possible then). Did 69 hours total before chucking it in until I was 36. I was then on a CAP 509 course and went solo again after just over 4 hours. That shows you that even with a 14 year break the 'riding a bike' bit is true. It all came flooding back.
Just out of interest, on that 509 course (that is a commercial pilot's course for those not in the know), we had a guy who had not gone solo after 25 hours. He was invited to withdraw himself from training, which he duly did. Hard rules you may say but I am only reporting what happened.
I have subsequently done a lot of instructing on singles and am now a Line Training Captain on turboprops. Never once have I asked, or indeed been asked, how long it took someone to go solo. What people are interested in is if you can do the job.