May 2025 Holidays & Observances Worldwide
There is a total of 504 public holidays and observances in May of 2025 for over 230 countries and 3300 locations around the world. In the table below, you will find the details of the holidays & observances along with when and where they are observed.
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| Date | Holiday | Location |
|---|---|---|
| Thursday, May 1, 2025 | May Day | Andorra |
| Thursday, May 1, 2025 | Labor Day | Afghanistan |
| Thursday, May 1, 2025 | International Worker's Day | Albania |
| Thursday, May 1, 2025 | Labor Day | Armenia |
| Thursday, May 1, 2025 | May Day | Angola |
| Thursday, May 1, 2025 | Labor Day | Argentina |
| Thursday, May 1, 2025 | Yom HaAtzmaut | Australia |
| Thursday, May 1, 2025 | Labor Day | Aruba |
| Thursday, May 1, 2025 | May Day | Bangladesh |
| Thursday, May 1, 2025 | Labor Day | Belgium |
| Thursday, May 1, 2025 | Labour Day | Burkina Faso |
| Thursday, May 1, 2025 | Labor Day | Bulgaria |
| Thursday, May 1, 2025 | May Day | Bahrain |
| Thursday, May 1, 2025 | Labour Day | Burundi |
| Thursday, May 1, 2025 | Labor Day | St. Barts |
| Thursday, May 1, 2025 | Labour Day | Botswana |
| Thursday, May 1, 2025 | Labor Day | Belize |
| Thursday, May 1, 2025 | Yom HaAtzmaut | Canada |
| Thursday, May 1, 2025 | May Day | Congo Democratic Republic |
| Thursday, May 1, 2025 | Labour Day | Central African Republic |
| Thursday, May 1, 2025 | May Day | Switzerland |
| Thursday, May 1, 2025 | May Day (Half-Day) | Switzerland |
| Thursday, May 1, 2025 | Labor Day | Cote d'Ivoire |
| Thursday, May 1, 2025 | Labour Day | Cameroon |
| Thursday, May 1, 2025 | Labor Day | Colombia |
| Thursday, May 1, 2025 | Labour Day | Cabo Verde |
| Thursday, May 1, 2025 | Labor Day | Curaçao |
| Thursday, May 1, 2025 | Labour Day/May Day | Cyprus |
| Thursday, May 1, 2025 | Labor Day | Czechia |
| Thursday, May 1, 2025 | May Day | Germany |
| Thursday, May 1, 2025 | Labor Day | Djibouti |
| Thursday, May 1, 2025 | May Day | Algeria |
| Thursday, May 1, 2025 | Labor Day | Ecuador |
| Thursday, May 1, 2025 | International Workers' Day | Eritrea |
| Thursday, May 1, 2025 | Labor Day | Spain |
| Thursday, May 1, 2025 | International Labor Day | Ethiopia |
| Thursday, May 1, 2025 | May Day | Finland |
| Thursday, May 1, 2025 | Labor Day | France |
| Thursday, May 1, 2025 | Labour Day | Gabon |
| Thursday, May 1, 2025 | Labor Day | French Guiana |
| Thursday, May 1, 2025 | May Day | Ghana |
| Thursday, May 1, 2025 | Labour Day | Gambia |
| Thursday, May 1, 2025 | Labor Day | Guadeloupe |
| Thursday, May 1, 2025 | Labour Day | Guinea-Bissau |
| Thursday, May 1, 2025 | Labor Day | Guyana |
| Thursday, May 1, 2025 | Labour Day | Hong Kong |
| Thursday, May 1, 2025 | Labor Day | Honduras |
| Thursday, May 1, 2025 | International Labor Day | Indonesia |
| Thursday, May 1, 2025 | Yom HaAtzmaut | Israel |
| Thursday, May 1, 2025 | May Day | Israel |
| Thursday, May 1, 2025 | International Worker's Day | India |
| Thursday, May 1, 2025 | Labor Day | Iraq |
| Thursday, May 1, 2025 | Labour Day | Iceland |
| Thursday, May 1, 2025 | Labor Day | Italy |
| Thursday, May 1, 2025 | Labour Day | Jordan |
| Thursday, May 1, 2025 | May Day | Kyrgyzstan |
| Thursday, May 1, 2025 | Labour Day | Cambodia |
| Thursday, May 1, 2025 | Labor Day | Kiribati |
| Thursday, May 1, 2025 | Labour Day | Comoros |
| Thursday, May 1, 2025 | May Day | North Korea |
| Thursday, May 1, 2025 | Labor Day | South Korea |
| Thursday, May 1, 2025 | Unity Day | Kazakhstan |
| Thursday, May 1, 2025 | Labor Day | Laos |
| Thursday, May 1, 2025 | Labour Day/May Day | Liechtenstein |
| Thursday, May 1, 2025 | May Day | Sri Lanka |
| Thursday, May 1, 2025 | Labour Day | Lithuania |
| Thursday, May 1, 2025 | Labor Day | Luxembourg |
| Thursday, May 1, 2025 | Labour Day/May Day | Latvia |
| Thursday, May 1, 2025 | Constituent Assembly Convocation Day | Latvia |
| Thursday, May 1, 2025 | May Day | Libya |
| Thursday, May 1, 2025 | Labour Day/May Day | Morocco |
| Thursday, May 1, 2025 | Labour Day | Monaco |
| Thursday, May 1, 2025 | International Day of Solidarity of Workers | Moldova |
| Thursday, May 1, 2025 | Labour Day | Montenegro |
| Thursday, May 1, 2025 | Labor Day | Saint Martin |
| Thursday, May 1, 2025 | Constitution Day | Marshall Islands |
| Thursday, May 1, 2025 | Labor Day | North Macedonia |
| Thursday, May 1, 2025 | Workers' Day | Mali |
| Thursday, May 1, 2025 | Labor Day | Myanmar |
| Thursday, May 1, 2025 | Labour Day/May Day | Malta |
| Thursday, May 1, 2025 | Labour Day | Mauritius |
| Thursday, May 1, 2025 | Labor Day | Maldives |
| Thursday, May 1, 2025 | May Day | Malawi |
| Thursday, May 1, 2025 | Labor Day | Mexico |
| Thursday, May 1, 2025 | Labour Day | Malaysia |
| Thursday, May 1, 2025 | May Day | Mozambique |
| Thursday, May 1, 2025 | Workers' Day | Namibia |
| Thursday, May 1, 2025 | Labor Day | New Caledonia |
| Thursday, May 1, 2025 | Labour Day | Niger |
| Thursday, May 1, 2025 | Workers' Day | Nigeria |
| Thursday, May 1, 2025 | Labor Day | Nicaragua |
| Thursday, May 1, 2025 | Majdoor Divas | Nepal |
| Thursday, May 1, 2025 | Labor Day | Panama |
| Thursday, May 1, 2025 | Labour Day | Pakistan |
| Thursday, May 1, 2025 | Labor Day | Poland |
| Thursday, May 1, 2025 | Labour Day | Reunion |
| Thursday, May 1, 2025 | Labor Day | Romania |
| Thursday, May 1, 2025 | Labor holiday | Serbia |
| Thursday, May 1, 2025 | Spring and Labor Day | Russia |
| Thursday, May 1, 2025 | Labor Day | Rwanda |
| Thursday, May 1, 2025 | Labour Day | Seychelles |
| Thursday, May 1, 2025 | May 1st | Sweden |
| Thursday, May 1, 2025 | Labour Day | Singapore |
| Thursday, May 1, 2025 | Labor Day | Slovenia |
| Thursday, May 1, 2025 | Accession to the European Union Day | Slovakia |
| Thursday, May 1, 2025 | International Worker's Day | Sierra Leone |
| Thursday, May 1, 2025 | Labour Day/May Day | San Marino |
| Thursday, May 1, 2025 | Labour Day | Senegal |
| Thursday, May 1, 2025 | May Day | Somalia |
| Thursday, May 1, 2025 | Labor Day | Suriname |
| Thursday, May 1, 2025 | May Day | South Sudan |
| Thursday, May 1, 2025 | Labour Day | Sao Tome and Principe |
| Thursday, May 1, 2025 | Labor Day | El Salvador |
| Thursday, May 1, 2025 | May Day | Eswatini |
| Thursday, May 1, 2025 | Labour Day | Togo |
| Thursday, May 1, 2025 | Labor Day | Thailand |
| Thursday, May 1, 2025 | Labour Day | Tunisia |
| Thursday, May 1, 2025 | Labor and Solidarity Day | Turkey |
| Thursday, May 1, 2025 | Labor Day | Taiwan |
| Thursday, May 1, 2025 | Labour Day | Tanzania |
| Thursday, May 1, 2025 | Labor Day (Suspended) | Ukraine |
| Thursday, May 1, 2025 | Labour Day | Uganda |
| Thursday, May 1, 2025 | Yom HaAtzmaut | United Kingdom |
| Thursday, May 1, 2025 | Yom Ha'atzmaut | United States |
| Thursday, May 1, 2025 | Law Day | United States |
| Thursday, May 1, 2025 | Loyalty Day | United States |
| Thursday, May 1, 2025 | National Day of Prayer | United States |
| Thursday, May 1, 2025 | Lei Day | United States |
| Thursday, May 1, 2025 | West Virginia Day of Prayer | United States |
| Thursday, May 1, 2025 | First Day of Military Appreciation Month | United States |
| Thursday, May 1, 2025 | First Day of Asian Pacific American Heritage Month | United States |
| Thursday, May 1, 2025 | First Day of Jewish American Heritage Month | United States |
| Thursday, May 1, 2025 | Labor Day | Uruguay |
| Thursday, May 1, 2025 | Feast of St Joseph the Worker | Vatican City (Holy See) |
| Thursday, May 1, 2025 | National Workers Day | Saint Vincent and the Grenadines |
| Thursday, May 1, 2025 | Labor Day | Venezuela |
| Thursday, May 1, 2025 | International Labor Day | Vietnam |
| Thursday, May 1, 2025 | Labor Day | Vanuatu |
| Thursday, May 1, 2025 | International Labour Day | Kosovo |
| Thursday, May 1, 2025 | May Day | Yemen |
| Thursday, May 1, 2025 | Labour Day | Mayotte |
| Thursday, May 1, 2025 | Workers' Day | South Africa |
| Thursday, May 1, 2025 | Labour Day | Zambia |
| Thursday, May 1, 2025 | Workers' Day | Zimbabwe |
| Friday, May 2, 2025 | Day off for May Day | Angola |
| Friday, May 2, 2025 | Tourist Bridge Holiday | Argentina |
| Friday, May 2, 2025 | Labor Day (Day 2) | Bosnia and Herzegovina |
| Friday, May 2, 2025 | Birth Anniversary of Third Druk Gyalpo | Bhutan |
| Friday, May 2, 2025 | Labour Day Holiday | China |
| Friday, May 2, 2025 | Day off for Labor Day | Ecuador |
| Friday, May 2, 2025 | Day of Madrid | Spain |
| Friday, May 2, 2025 | Presidential Inauguration Day Holiday | Gabon |
| Friday, May 2, 2025 | Labor Day Holiday | Guatemala |
| Friday, May 2, 2025 | May Day Holiday | Kyrgyzstan |
| Friday, May 2, 2025 | Labor Day | Kiribati |
| Friday, May 2, 2025 | Labour Day Holiday | Montenegro |
| Friday, May 2, 2025 | Public Sector Holiday | Nicaragua |
| Friday, May 2, 2025 | Day of the Flag | Poland |
| Friday, May 2, 2025 | Labor Day Holiday | Serbia |
| Friday, May 2, 2025 | Substitute Holiday for New Year Holiday | Russia |
| Friday, May 2, 2025 | Labour Day holiday | Slovenia |
| Friday, May 2, 2025 | World Tuna Day | United States |
| Friday, May 2, 2025 | Kentucky Oaks | United States |
| Friday, May 2, 2025 | International Labor Day Holiday | Vietnam |
| Saturday, May 3, 2025 | Labour Day Holiday | China |
| Saturday, May 3, 2025 | Constitution Memorial Day | Japan |
| Saturday, May 3, 2025 | May Day Holiday | Kyrgyzstan |
| Saturday, May 3, 2025 | Constitution Day | Poland |
| Saturday, May 3, 2025 | Election Day | Singapore |
| Saturday, May 3, 2025 | Day of the Cross | El Salvador |
| Saturday, May 3, 2025 | World Press Freedom Day | United States |
| Saturday, May 3, 2025 | Kentucky Derby | United States |
| Saturday, May 3, 2025 | National Explosive Ordnance Disposal (EOD) Day | United States |
| Sunday, May 4, 2025 | Mother's Day | Andorra |
| Sunday, May 4, 2025 | Saint Florian's Day | Austria |
| Sunday, May 4, 2025 | Labour Day Holiday | China |
| Sunday, May 4, 2025 | Youth Day | China |
| Sunday, May 4, 2025 | Mother's Day | Spain |
| Sunday, May 4, 2025 | Greenery Day | Japan |
| Sunday, May 4, 2025 | May Day Holiday | Kyrgyzstan |
| Sunday, May 4, 2025 | Martyrs' Day | Lebanon |
| Sunday, May 4, 2025 | Mother's Day | Lithuania |
| Sunday, May 4, 2025 | Independence Restoration Day | Latvia |
| Sunday, May 4, 2025 | Cassinga Day | Namibia |
| Sunday, May 4, 2025 | Remembrance Day | Netherlands |
| Sunday, May 4, 2025 | Mother's Day | Portugal |
| Sunday, May 4, 2025 | Death Anniversary of M. R. Štefánik | Slovakia |
| Sunday, May 4, 2025 | Coronation Day | Thailand |
| Sunday, May 4, 2025 | Literary Day | Taiwan |
| Sunday, May 4, 2025 | International Family Equality Day | United States |
| Sunday, May 4, 2025 | Kent State Shootings Remembrance | United States |
| Sunday, May 4, 2025 | Rhode Island Independence Day | United States |
| Monday, May 5, 2025 | Labour Day | Antigua and Barbuda |
| Monday, May 5, 2025 | May Day | Australia |
| Monday, May 5, 2025 | Labour Day | Australia |
| Monday, May 5, 2025 | Labour Day Holiday | China |
| Monday, May 5, 2025 | Europe Day (Council of Europe) | Germany |
| Monday, May 5, 2025 | Liberation Day | Denmark |
| Monday, May 5, 2025 | Labor Day | Dominica |
| Monday, May 5, 2025 | Day off for Labor Day | Dominican Republic |
| Monday, May 5, 2025 | Patriots' Day | Ethiopia |
| Monday, May 5, 2025 | May Day | Guernsey |
| Monday, May 5, 2025 | Arrival Day | Guyana |
| Monday, May 5, 2025 | Buddha's Birthday | Hong Kong |
| Monday, May 5, 2025 | May Day | Ireland |
| Monday, May 5, 2025 | Early May Bank Holiday | Isle of Man |
| Monday, May 5, 2025 | Children's Day | Japan |
| Monday, May 5, 2025 | Constitution Day of the Kyrgyz Republic | Kyrgyzstan |
| Monday, May 5, 2025 | Labor Day | Saint Kitts and Nevis |
| Monday, May 5, 2025 | Buddha's Birthday | South Korea |
| Monday, May 5, 2025 | Children's Day | South Korea |
| Monday, May 5, 2025 | Emancipation Day | Cayman Islands |
| Monday, May 5, 2025 | Independence Restoration Day observed | Latvia |
| Monday, May 5, 2025 | Buddha's Birthday | Macau |
| Monday, May 5, 2025 | Labour Day | Montserrat |
| Monday, May 5, 2025 | Battle of Puebla (Cinco de Mayo) | Mexico |
| Monday, May 5, 2025 | Cassinga Day observed | Namibia |
| Monday, May 5, 2025 | Liberation Day | Netherlands |
| Monday, May 5, 2025 | Senior Citizens Day | Palau |
| Monday, May 5, 2025 | Day off for Coronation Day | Thailand |
| Monday, May 5, 2025 | Buddha's Birthday | Taiwan |
| Monday, May 5, 2025 | Early May Bank Holiday | United Kingdom |
| Monday, May 5, 2025 | World Portuguese Language Day | United States |
| Monday, May 5, 2025 | Cinco de Mayo | United States |
| Tuesday, May 6, 2025 | St. George's Day | Bulgaria |
| Tuesday, May 6, 2025 | Greenery Day observed | Japan |
| Tuesday, May 6, 2025 | Constitution Day Holiday | Kyrgyzstan |
| Tuesday, May 6, 2025 | Day off for Children's Day | South Korea |
| Tuesday, May 6, 2025 | Our Lady of Mércoles | Portugal |
| Tuesday, May 6, 2025 | Martyrs' Day | Syria |
| Tuesday, May 6, 2025 | National Nurses Day | United States |
| Tuesday, May 6, 2025 | National Teacher Appreciation Day | United States |
| Tuesday, May 6, 2025 | Day of Gorans | Kosovo |
| Wednesday, May 7, 2025 | Death Anniversary of Zhabdrung (Zhabdrung Kuchoe) | Bhutan |
| Wednesday, May 7, 2025 | Constitution Day Holiday | Kyrgyzstan |
| Wednesday, May 7, 2025 | Defender of the Fatherland Day | Kazakhstan |
| Wednesday, May 7, 2025 | Soldiers' Day | El Salvador |
| Thursday, May 8, 2025 | Yerkrapah Day | Armenia |
| Thursday, May 8, 2025 | Iris Day | Belgium |
| Thursday, May 8, 2025 | Victory Day | St. Barts |
| Thursday, May 8, 2025 | Victory in Europe Day | Czechia |
| Thursday, May 8, 2025 | Anniversary of the End of World War II | Germany |
| Thursday, May 8, 2025 | WWII Victory Day | France |
| Thursday, May 8, 2025 | Victory Day | French Guiana |
| Thursday, May 8, 2025 | WWII Victory Day | Guadeloupe |
| Thursday, May 8, 2025 | Victory Day over Nazi Germany | Israel |
| Thursday, May 8, 2025 | Victory Day Holiday | Kyrgyzstan |
| Thursday, May 8, 2025 | Parents' Day | South Korea |
| Thursday, May 8, 2025 | 1945 Victory Day | Saint Martin |
| Thursday, May 8, 2025 | Victory Day | Martinique |
| Thursday, May 8, 2025 | Day of Liberation | Norway |
| Thursday, May 8, 2025 | Victory Day | French Polynesia |
| Thursday, May 8, 2025 | WWII Victory Day | Reunion |
| Thursday, May 8, 2025 | Defender of the Fatherland Day (extra holiday) | Russia |
| Thursday, May 8, 2025 | Day of Victory Over Fascism | Slovakia |
| Thursday, May 8, 2025 | Victory Day (Suspended) | Ukraine |
| Thursday, May 8, 2025 | Time of Remembrance and Reconciliation for Those Who Lost Their Lives during the Second World War | United States |
| Thursday, May 8, 2025 | World Ovarian Cancer Day | United States |
| Thursday, May 8, 2025 | World Red Cross and Red Crescent Day | United States |
| Thursday, May 8, 2025 | Truman Day | United States |
| Thursday, May 8, 2025 | Victory in Europe Day | United States |
| Thursday, May 8, 2025 | Victory Day for World War II | United States |
| Thursday, May 8, 2025 | Victory Day | Wallis and Futuna |
| Friday, May 9, 2025 | Victory and Peace Day | Armenia |
| Friday, May 9, 2025 | Victory Day over Fascism | Azerbaijan |
| Friday, May 9, 2025 | Victory Day | Bosnia and Herzegovina |
| Friday, May 9, 2025 | Europe Day (European Union) | Germany |
| Friday, May 9, 2025 | Constitution Day observed | Micronesia |
| Friday, May 9, 2025 | Victory Day | Georgia |
| Friday, May 9, 2025 | Liberation Day (except Alderney and Sark) | Guernsey |
| Friday, May 9, 2025 | Europe Day and Victory Day Over Fascism | Croatia |
| Friday, May 9, 2025 | Birthday of Rabindranath | India |
| Friday, May 9, 2025 | Liberation Day | Jersey |
| Friday, May 9, 2025 | Victory Day | Kyrgyzstan |
| Friday, May 9, 2025 | Europe Day | Luxembourg |
| Friday, May 9, 2025 | Victory Day | Moldova |
| Friday, May 9, 2025 | Europe Day | Moldova |
| Friday, May 9, 2025 | Victory Day | Serbia |
| Friday, May 9, 2025 | Royal Ploughing Ceremony Day | Thailand |
| Friday, May 9, 2025 | Victory Day | Tajikistan |
| Friday, May 9, 2025 | Europe Day | Ukraine |
| Friday, May 9, 2025 | Confederate Memorial Day observed | United States |
| Friday, May 9, 2025 | Native American Day | United States |
| Friday, May 9, 2025 | Military Spouse Appreciation Day | United States |
| Friday, May 9, 2025 | Remembrance Day | Uzbekistan |
| Friday, May 9, 2025 | Europe Day | Kosovo |
| Saturday, May 10, 2025 | Buddha Purnima Holiday | Bangladesh |
| Saturday, May 10, 2025 | Constitution Day | Micronesia |
| Saturday, May 10, 2025 | Liberation Day (only Sark) | Guernsey |
| Saturday, May 10, 2025 | Mother's Day (Working Mothers Only) | Guatemala |
| Saturday, May 10, 2025 | Mother's Day | Mexico |
| Saturday, May 10, 2025 | Monarchy Day | Romania |
| Saturday, May 10, 2025 | National Independence Day | Romania |
| Saturday, May 10, 2025 | Mother's Day | El Salvador |
| Saturday, May 10, 2025 | World Migratory Bird Day | United States |
| Saturday, May 10, 2025 | International Day of Argania | United States |
| Saturday, May 10, 2025 | Confederate Memorial Day | United States |
| Sunday, May 11, 2025 | Mother's Day | Austria |
| Sunday, May 11, 2025 | Buddha Purnima/Vesak | Bangladesh |
| Sunday, May 11, 2025 | Mother's Day | Bangladesh |
| Sunday, May 11, 2025 | Day of the National Emblem and Flag of Belarus | Belarus |
| Sunday, May 11, 2025 | Mother's Day | Canada |
| Sunday, May 11, 2025 | Visak Bochea Day | Cambodia |
| Sunday, May 11, 2025 | Mother's Day | Cayman Islands |
| Sunday, May 11, 2025 | Liberation and Resistance Holiday | Lebanon |
| Sunday, May 11, 2025 | Mother's Day | Liechtenstein |
| Sunday, May 11, 2025 | Full Moon Day of Kasong | Myanmar |
| Sunday, May 11, 2025 | Mother's Day | Malta |
| Sunday, May 11, 2025 | Father's Day | Romania |
| Sunday, May 11, 2025 | Mother's Day | Singapore |
| Sunday, May 11, 2025 | Visakha Bucha | Thailand |
| Sunday, May 11, 2025 | Mother's Day | Trinidad and Tobago |
| Monday, May 12, 2025 | Buddha Purnima Holiday | Bangladesh |
| Monday, May 12, 2025 | Girmit Day | Fiji |
| Monday, May 12, 2025 | St Andrew's Day | Georgia |
| Monday, May 12, 2025 | Waisak Day (Buddha's Anniversary) | Indonesia |
| Monday, May 12, 2025 | Buddha Purnima | India |
| Monday, May 12, 2025 | Vesak Full Moon Poya Day | Sri Lanka |
| Monday, May 12, 2025 | Wesak Day | Malaysia |
| Monday, May 12, 2025 | Buddha Jayanti | Nepal |
| Monday, May 12, 2025 | Ubhauli Parva | Nepal |
| Monday, May 12, 2025 | National Elections | Philippines |
| Monday, May 12, 2025 | Buddha Purnima | Pakistan |
| Monday, May 12, 2025 | St. Joana's Day | Portugal |
| Monday, May 12, 2025 | Vesak Day | Singapore |
| Monday, May 12, 2025 | Mother's Day | South Sudan |
| Monday, May 12, 2025 | Day off for Visakha Bucha | Thailand |
| Monday, May 12, 2025 | Gospel Day | Tuvalu |
| Monday, May 12, 2025 | Day of Vesak | United States |
| Monday, May 12, 2025 | International Nurses Day | United States |
| Monday, May 12, 2025 | Vesak | Vietnam |
| Monday, May 12, 2025 | Mother's Day | Samoa |
| Tuesday, May 13, 2025 | Joint Holiday for Waisak Day | Indonesia |
| Tuesday, May 13, 2025 | Day after Vesak Full Moon Poya Day | Sri Lanka |
| Wednesday, May 14, 2025 | King's Birthday | Cambodia |
| Wednesday, May 14, 2025 | National Unification Day | Liberia |
| Wednesday, May 14, 2025 | Kamuzu Day | Malawi |
| Wednesday, May 14, 2025 | National Holiday | Paraguay |
| Thursday, May 15, 2025 | Family Day | Armenia |
| Thursday, May 15, 2025 | Day of Customs and Traditions | Burkina Faso |
| Thursday, May 15, 2025 | Teacher's Day | Colombia |
| Thursday, May 15, 2025 | Royal Plowing Ceremony | Cambodia |
| Thursday, May 15, 2025 | Teacher's Day | South Korea |
| Thursday, May 15, 2025 | Family Day | Moldova |
| Thursday, May 15, 2025 | Teacher's Day | Mexico |
| Thursday, May 15, 2025 | Independence Day | Paraguay |
| Thursday, May 15, 2025 | Family Day | Ukraine |
| Thursday, May 15, 2025 | International Day of Families | United States |
| Thursday, May 15, 2025 | Peace Officers Memorial Day | United States |
| Thursday, May 15, 2025 | Venezuelan Family Day | Venezuela |
| Friday, May 16, 2025 | Day of Students and Youth | Armenia |
| Friday, May 16, 2025 | Lag B'Omer | Australia |
| Friday, May 16, 2025 | Day off for Liberation Day | Congo Democratic Republic |
| Friday, May 16, 2025 | Great Prayer Day | Denmark |
| Friday, May 16, 2025 | Prayer Day | Faroe Islands |
| Friday, May 16, 2025 | Great Prayer Day | Greenland |
| Friday, May 16, 2025 | Lag BaOmer | Israel |
| Friday, May 16, 2025 | SPLA Day | South Sudan |
| Friday, May 16, 2025 | Lag B'Omer | United Kingdom |
| Friday, May 16, 2025 | Lag BaOmer | United States |
| Friday, May 16, 2025 | International Day of Living Together in Peace | United States |
| Friday, May 16, 2025 | International Day of Light | United States |
| Friday, May 16, 2025 | National Defense Transportation Day | United States |
| Saturday, May 17, 2025 | Liberation Day | Congo Democratic Republic |
| Saturday, May 17, 2025 | Galicia Literature Day | Spain |
| Saturday, May 17, 2025 | Day of Family Purity And Respect for Parents | Georgia |
| Saturday, May 17, 2025 | Extra Work Day | Hungary |
| Saturday, May 17, 2025 | Birthday of the Raja of Perlis | Malaysia |
| Saturday, May 17, 2025 | 17 May Constitution Day (1814) | Norway |
| Saturday, May 17, 2025 | Constitution Day | Nauru |
| Saturday, May 17, 2025 | World Telecommunication and Information Society Day | United States |
| Saturday, May 17, 2025 | Public Lands Day | United States |
| Saturday, May 17, 2025 | Armed Forces Day | United States |
| Saturday, May 17, 2025 | Preakness Stakes | United States |
| Sunday, May 18, 2025 | Flag Day | Haiti |
| Sunday, May 18, 2025 | International Museum Day | Singapore |
| Sunday, May 18, 2025 | Restoration of Somaliland Sovereignty | Somalia |
| Sunday, May 18, 2025 | Constitution Day | Turkmenistan |
| Sunday, May 18, 2025 | Battle of Las Piedras | Uruguay |
| Monday, May 19, 2025 | National Patriots' Day | Canada |
| Monday, May 19, 2025 | Victoria Day | Canada |
| Monday, May 19, 2025 | Discovery Day | Cayman Islands |
| Monday, May 19, 2025 | Constitution Day observed | Nauru |
| Monday, May 19, 2025 | Restoration of Somaliland Sovereignty Holiday | Somalia |
| Monday, May 19, 2025 | Day off for Constitution Day | Turkmenistan |
| Monday, May 19, 2025 | Commemoration of Atatürk, Youth and Sports Day | Turkey |
| Tuesday, May 20, 2025 | National Day | Cameroon |
| Tuesday, May 20, 2025 | Independence Day | Cuba |
| Tuesday, May 20, 2025 | Restoration of Independence Day | East Timor |
| Tuesday, May 20, 2025 | World Bee Day | United States |
| Tuesday, May 20, 2025 | World Autoimmune / Autoinflammatory Arthritis Day | United States |
| Wednesday, May 21, 2025 | Navy Day | Chile |
| Wednesday, May 21, 2025 | Independence Day | Montenegro |
| Wednesday, May 21, 2025 | Saint Helena Day | Saint Helena |
| Wednesday, May 21, 2025 | World Day for Cultural Diversity for Dialogue and Development | United States |
| Wednesday, May 21, 2025 | International Tea Day | United States |
| Wednesday, May 21, 2025 | Emergency Medical Services for Children Day | United States |
| Wednesday, May 21, 2025 | National Spiritual Baptist Day | Saint Vincent and the Grenadines |
| Thursday, May 22, 2025 | Bălți Day | Moldova |
| Thursday, May 22, 2025 | Independence Day Holiday | Montenegro |
| Thursday, May 22, 2025 | Abolition Day | Martinique |
| Thursday, May 22, 2025 | Pahang State Holiday | Malaysia |
| Thursday, May 22, 2025 | Leiria Day | Portugal |
| Thursday, May 22, 2025 | International Day for Biological Diversity | United States |
| Thursday, May 22, 2025 | National Maritime Day | United States |
| Thursday, May 22, 2025 | Harvey Milk Day | United States |
| Thursday, May 22, 2025 | Unity Day | Yemen |
| Friday, May 23, 2025 | Bermuda Day | Bermuda |
| Friday, May 23, 2025 | Constitution Day | Germany |
| Friday, May 23, 2025 | Day off for The Battle of Pichincha | Ecuador |
| Friday, May 23, 2025 | Labor Day | Jamaica |
| Friday, May 23, 2025 | Vlach's National Day (for Vlach community) | North Macedonia |
| Friday, May 23, 2025 | Portalegre Day | Portugal |
| Friday, May 23, 2025 | International Day to End Obstetric Fistula | United States |
| Saturday, May 24, 2025 | Culture and Literacy Day | Bulgaria |
| Saturday, May 24, 2025 | The Battle of Pichincha | Ecuador |
| Saturday, May 24, 2025 | Independence Day | Eritrea |
| Saturday, May 24, 2025 | Saints Cyril and Methodius' Day | North Macedonia |
| Sunday, May 25, 2025 | National Day/May 1810 Revolution | Argentina |
| Sunday, May 25, 2025 | Mother's Day | Dominican Republic |
| Sunday, May 25, 2025 | African Union Day | Ghana |
| Sunday, May 25, 2025 | Africa Day | Gambia |
| Sunday, May 25, 2025 | Mother's Day | Haiti |
| Sunday, May 25, 2025 | Independence Day | Jordan |
| Sunday, May 25, 2025 | Liberation and Resistance Day | Lebanon |
| Sunday, May 25, 2025 | Africa Day | Lesotho |
| Sunday, May 25, 2025 | Mother's Day | Monaco |
| Sunday, May 25, 2025 | Dniester Day | Moldova |
| Sunday, May 25, 2025 | Africa Day | Mali |
| Sunday, May 25, 2025 | Mother's Day | Mauritius |
| Sunday, May 25, 2025 | Africa Day | Namibia |
| Sunday, May 25, 2025 | Mother's Day | Sweden |
| Sunday, May 25, 2025 | Carpet Day | Turkmenistan |
| Sunday, May 25, 2025 | Ashgabat City Day | Turkmenistan |
| Sunday, May 25, 2025 | Kyiv Day | Ukraine |
| Sunday, May 25, 2025 | African Liberation Day | United States |
| Sunday, May 25, 2025 | National Missing Children's Day | United States |
| Sunday, May 25, 2025 | Africa Freedom Day | Zambia |
| Sunday, May 25, 2025 | Africa Day | Zimbabwe |
| Monday, May 26, 2025 | Memorial Day | American Samoa |
| Monday, May 26, 2025 | National Sorry Day | Australia |
| Monday, May 26, 2025 | Day off for Culture and Literacy Day | Bulgaria |
| Monday, May 26, 2025 | Independence Day | Georgia |
| Monday, May 26, 2025 | Spring Bank Holiday | Guernsey |
| Monday, May 26, 2025 | Day off for Africa Day | Gambia |
| Monday, May 26, 2025 | Memorial Day | Guam |
| Monday, May 26, 2025 | Independence Day | Guyana |
| Monday, May 26, 2025 | Jerusalem Day | Israel |
| Monday, May 26, 2025 | Memorial Day for Ethiopian Jews | Israel |
| Monday, May 26, 2025 | Late May Bank Holiday | Isle of Man |
| Monday, May 26, 2025 | Spring Bank Holiday | Jersey |
| Monday, May 26, 2025 | Memorial Day | Northern Mariana Islands |
| Monday, May 26, 2025 | Africa Day observed | Namibia |
| Monday, May 26, 2025 | Mother's Day | Poland |
| Monday, May 26, 2025 | Memorial Day | Puerto Rico |
| Monday, May 26, 2025 | JAGS McCartney Day | Turks and Caicos Islands |
| Monday, May 26, 2025 | Spring Bank Holiday | United Kingdom |
| Monday, May 26, 2025 | Memorial Day | United States |
| Monday, May 26, 2025 | Jefferson Davis' Birthday | United States |
| Monday, May 26, 2025 | Memorial Day | US Virgin Islands |
| Monday, May 26, 2025 | Day off for Africa Freedom Day | Zambia |
| Monday, May 26, 2025 | Africa Day observed | Zimbabwe |
| Tuesday, May 27, 2025 | Mother's Day | Bolivia |
| Tuesday, May 27, 2025 | Abolition Day | Guadeloupe |
| Tuesday, May 27, 2025 | Children's Day | Nigeria |
| Wednesday, May 28, 2025 | Republic Day | Armenia |
| Wednesday, May 28, 2025 | Catholic/Protestant Ascension Eve | Israel |
| Wednesday, May 28, 2025 | Armenian/Orthodox Ascension Eve | Israel |
| Wednesday, May 28, 2025 | Abolition Day | Saint Martin |
| Wednesday, May 28, 2025 | Genocide Remembrance Day | Namibia |
| Wednesday, May 28, 2025 | Youm-i-Takbeer | Pakistan |
| Thursday, May 29, 2025 | Ascension Day | Andorra |
| Thursday, May 29, 2025 | Hajj season begins | United Arab Emirates |
| Thursday, May 29, 2025 | Ascension Day | Austria |
| Thursday, May 29, 2025 | Father's Day | Germany |
| Thursday, May 29, 2025 | Ascension Day | Germany |
| Thursday, May 29, 2025 | Ascension Day of Jesus Christ | Indonesia |
| Thursday, May 29, 2025 | Ascension Day | Ireland |
| Thursday, May 29, 2025 | Catholic/Protestant Ascension Day | Israel |
| Thursday, May 29, 2025 | Armenian/Orthodox Ascension Day | Israel |
| Thursday, May 29, 2025 | Ascension Day | Iceland |
| Thursday, May 29, 2025 | Ganatantra Diwas | Nepal |
| Thursday, May 29, 2025 | Ascension Day | French Polynesia |
| Thursday, May 29, 2025 | Orthodox Ascension Day | Romania |
| Thursday, May 29, 2025 | Ascension Day | Sweden |
| Thursday, May 29, 2025 | International Day of United Nations Peacekeepers | United States |
| Thursday, May 29, 2025 | Ascension Day | Vatican City (Holy See) |
| Friday, May 30, 2025 | Anguilla Day | Anguilla |
| Friday, May 30, 2025 | Day after Ascension Day | Belgium |
| Friday, May 30, 2025 | Day of the Canary Islands | Spain |
| Friday, May 30, 2025 | Sukuna's Day Holiday | Fiji |
| Friday, May 30, 2025 | Statehood Day | Croatia |
| Friday, May 30, 2025 | Joint Holiday after Ascension Day | Indonesia |
| Friday, May 30, 2025 | Harvest Festival | Malaysia |
| Friday, May 30, 2025 | Mother's Day | Nicaragua |
| Friday, May 30, 2025 | Indian Arrival Day | Trinidad and Tobago |
| Friday, May 30, 2025 | Dragon Boat Festival Holiday | Taiwan |
| Saturday, May 31, 2025 | Royal Brunei Armed Forces Day | Brunei |
| Saturday, May 31, 2025 | Dragon Boat Festival | China |
| Saturday, May 31, 2025 | Day of Castile-La Mancha | Spain |
| Saturday, May 31, 2025 | Dragon Boat Festival | Hong Kong |
| Saturday, May 31, 2025 | Second Day of Harvest Festival | Malaysia |
| Saturday, May 31, 2025 | Dragon Boat Festival | Taiwan |
| Saturday, May 31, 2025 | World No Tobacco Day | United States |