I’ve been on a normal o visa based on marriage .
I returned to Thailand in July from UK and received a stamp
In my passport that admits me till the 17th October . I will go with my wife to do my normal annual renewal/extension this month . I believe you can’t go to Chaeng Wattana more than 30 days before the 17th October to get the initial 30 days and then return on the 17th October to get the year added ( 17th is a Saturday though . Has anybody left it to much later to get the initial 30 day stamp whilst they consider the full year ?
TLDR : Answer Summary
The individual has a normal O visa based on marriage, expiring on October 17. They plan to renew their visa with their wife but are unsure about the timeline for applying at Chaeng Wattana. Comments clarified that they can apply for a yearly extension anytime after September 2, as long as they have 45 days or less left on their current stamp, and should not wait until the last day to avoid complications.