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