Month

Date

Occasion

January

Monday 1

Monday 8

New Year's Day

Substitution for Epiphany

Thai / Polish

Polish

February

Monday 26

Substitution for Makha Bucha Day

Thai

April

Monday 1

Monday 8

Monday 15

Easter Monday

Substitution for Chakri Memorial Day

Songkran (Thai New Year)

Polish

Thai

Thai

May

Wednesday 1

Friday 3

Thursday 30

Labour day

Constitution Day

Corpus Christi

Polish

Polish

Polish

June

Monday 3

H.M. Queen Suthida’s Birthday Anniversary

Thai

July

Monday 29

Substitution for H. M. King Maha Vajiralongkorn’s
Birthday Anniversary

Thai

August

Friday 12

Thursday 15

H.M. Queen Sirikit The Queen Mother’s
Birthday Anniversary

Assumption Day

Thai

Polish

October

Monday 14

Wednesday 23

Substitution H.M. King Bhumibol Adulyadej The Great Memorial Day

King Chulalongkorn Memorial Day

Thai

Thai

November

Friday

Monday 11

All Saints Day

Independence Day

Polish

Polish

December

Thursday 5

Wednesday 25 

Monday 26

H.M. King Bhumibol Adulyadej The Great’s Birthday Anniversary, National Day, and Thai Father’s Day

Christmas Day

Second Day of Christmas

Thai

Polish

Polish