It's on December 31st.
New Year's Eve
It's on October 31.
Halloween Day
It's on February 14th.
Valentine's Day
It's on April 1st.
April's fool Day
It's on May 1st.
May Day
It's on August 12th.
Mother's Day (In Thailand)
It's on December 25th.
Christmas Day
It's on April 13th.
Songkran Day
It's on December 5th.
Father's Day (In Thailand)
It's on January 1st.
New Year's Day