Question - Before leaving USA I obtained a 60 single entry tourist visa stamp valid Jan 9 2020 to April 8th 2020. My plan was to stay in Thailand for 60 days, then go to Koh Samui for an additional 30 then flying out of Thailand. I just now noticed when I entered Thailand on Feb 1st the officer stamped until March 1 2020. I had shown him the tourist visa but neglected to double check his stamp. Worried, was planning to go to Koh Samui towards end of March for 30 more days. Advise??