My visa expires on Aug 8th. If I go tomorrow here in Chiang Mai to request extension, and I get the extension, do the next 30 days begin tomorrow on the 1st, or on the day my current visa expires, the 8th?
Thank you in advance!
TLDR : Answer Summary
When you request a visa extension in Thailand, the additional days are added to the end of your current visa's expiration date. In this case, if you apply for the extension before your current visa expires on August 8th, your new 30-day extension will begin on August 8th.