How do you say birthday in Thai?

In Thai, "Happy Birthday" means "Sawadee Pee Mai", which means "Happy Birthday to you".

In Thailand, when people celebrate their birthdays, they will say "Sawadee Pee Mai", which is a kind of blessing to express their wishes to the birthday person. This sentence means "Happy Birthday to you" and can also be used to express blessings.

In Thailand, when people celebrate their birthdays, they will prepare some special foods, such as cakes, fruits and desserts, and some other small gifts, all of which are to express their blessings to the birthday people.

In addition, in Thailand, people will set off fireworks on their birthdays, which is a traditional way to celebrate and express their blessings.

In short, in Thailand, people will say "Sawadie Peemai" when celebrating their birthdays, and they will also prepare some special food and small gifts and set off fireworks to express their birthday wishes.