ATTN: Thai consulate closures on May 1st ;
The following thai consulates are closed on Tuesday the 1st of May: Vientiane, Savannakhet, Penang, Kuala Lumpur, Kota Bharu & Yangon
The Thai Immigration offices inside the country are NOT closed on May 1st Labor Day & and the borders are open too.
TLDR : Answer Summary
On May 1st, several Thai consulates will be closed, including those in Vientiane, Savannakhet, Penang, Kuala Lumpur, Kota Bharu, and Yangon. However, Thai immigration offices within the country will remain open, and border crossings will continue to operate as usual.