| Armed Forces Day | United States | Observance |
| Armed Forces Day | United States | Observance |
| Ascension Day | United Kingdom | Christian |
| Ascension Day | Australia | Christian |
| Ascension Day | Canada | Christian |
| Ascension Day | Andorra | Observance |
| Ascension Day | Aruba | Public Holiday |
| Ascension Day | Belgium | National Holiday |
| Ascension Day | Benin | Public Holiday |
| Ascension Day | Botswana | Public Holiday |
| Ascension Day | Burkina Faso | Public Holiday |
| Ascension Day | Burundi | Public Holiday |
| Ascension Day | Cameroon | Public Holiday |
| Ascension Day | Central African Republic | Public Holiday |
| Ascension Day | Congo | Public Holiday |
| Ascension Day | Curacao | Public Holiday |
| Ascension Day | Czechia | Christian |
| Ascension Day | Denmark | National Holiday |
| Ascension Day | Faroe Islands | Public Holiday |
| Ascension Day | Finland | National Holiday |
| Ascension Day | France | National Holiday |
| Ascension Day | French Guiana | Public Holiday |
| Ascension Day | French Polynesia | Public Holiday |
| Ascension Day | Germany | National Holiday, Christian |
| Ascension Day | Greenland | Public Holiday |
| Ascension Day | Iceland | National Holiday |
| Ascension Day | Lebanon | Observance |
| Ascension Day | Lesotho | Public Holiday |
| Ascension Day | Luxembourg | National Holiday |
| Ascension Day | Madagascar | Public Holiday |
| Ascension Day | Martinique | Public Holiday |
| Ascension Day | Mexico | Observance |
| Ascension Day | Monaco | National Holiday |
| Ascension Day | Namibia | Public Holiday |
| Ascension Day | Netherlands | National Holiday |
| Ascension Day | New Caledonia | Public Holiday |
| Ascension Day | Norway | National Holiday |
| Ascension Day | Portugal | Municipal Holiday |
| Ascension Day | Reunion | Public Holiday |
| Ascension Day | Saint Martin | Public Holiday |
| Ascension Day | Saint Pierre And Miquelon | Public Holiday |
| Ascension Day | Senegal | Public Holiday |
| Ascension Day | Sint Maarten | Public Holiday |
| Ascension Day | South Africa | Observance |
| Ascension Day | St. Barts | Public Holiday |
| Ascension Day | Sweden | Public Holiday |
| Ascension Day | Switzerland | Common Local Holiday |
| Ascension Day | Vanuatu | Public Holiday |
| Ascension Day | Vatican City | National Holiday |
| Ascension Day | Venezuela | Bank Holiday |
| Ascension Day | Wallis And Futuna | Public Holiday |
| Ascension Day | United States | Christian |
| Ascension Day | Austria | National Holiday |
| Battle Of Las Piedras | Uruguay | Observance |
| Battle Of Las Piedras | Uruguay | Bank / Working Holiday |
| Battle Of Las Piedras | Uruguay | Bank / Working Holiday |
| Battle Of Las Piedras | Uruguay | Bank / Working Holiday |
| Battle Of Las Piedras | Uruguay | Bank / Working Holiday |
| Battle Of Las Piedras | Uruguay | Bank / Working Holiday |
| Battle Of Las Piedras | Uruguay | Bank / Working Holiday |
| Buddha Jayanti | Nepal | Public Holiday |
| Buddha Purnima | Pakistan | Optional Holiday |
| Buddha Purnima/vesak | Bangladesh | National Holiday |
| Buddha Purnima/vesak | India | Gazetted Holiday |
| Constitution Day | Turkmenistan | Public Holiday |
| Constitution Day | Turkmenistan | Public Holiday |
| Constitution Day | Turkmenistan | Public Holiday |
| Constitution Day | Turkmenistan | Public Holiday |
| Constitution Day | Turkmenistan | Public Holiday |
| Constitution Day | Turkmenistan | Public Holiday |
| Constitution Day Observed | Nauru | Public Holiday |
| Day Of Revival, Unity, And The Poetry Of Magtymguly | Turkmenistan | Public Holiday |
| Discovery Day | Cayman Islands | Public Holiday |
| Europe Day | Ukraine | Observance |
| Europe Day | Ukraine | Observance |
| Father's Day | Germany | Observance |
| Flag Day/university Day | Haiti | National/legal Holiday |
| Flag Day/university Day | Haiti | National/legal Holiday |
| Flag Day/university Day | Haiti | National/legal Holiday |
| Flag Day/university Day | Haiti | National/legal Holiday |
| Flag Day/university Day | Haiti | National/legal Holiday |
| Flag Day/university Day | Haiti | National/legal Holiday |
| Flag Day/university Day | Haiti | National/legal Holiday |
| International Museum Day | Singapore | Observance |
| International Museum Day | Singapore | Observance |
| International Museum Day | Singapore | Observance |
| International Museum Day | Singapore | Observance |
| International Museum Day | Singapore | Observance |
| International Museum Day | Singapore | Observance |
| International Museum Day | Singapore | Observance |
| National Defense Transportation Day | United States | Observance |
| National Patriots' Day | Canada | Local Holiday |
| Pentecost Eve | Norway | Observance |
| Pentecost Eve | Sweden | De Facto Holiday |
| Preakness Stakes | United States | Sporting Event |
| Preakness Stakes | United States | Sporting Event |
| Restoration Of Somaliland Sovereignty | Somalia | Common Local Holiday |
| Restoration Of Somaliland Sovereignty | Somalia | Common Local Holiday |
| Restoration Of Somaliland Sovereignty | Somalia | Common Local Holiday |
| Restoration Of Somaliland Sovereignty | Somalia | Common Local Holiday |
| Restoration Of Somaliland Sovereignty | Somalia | Common Local Holiday |
| Restoration Of Somaliland Sovereignty | Somalia | Common Local Holiday |
| Vesak Full Moon Poya Day | Sri Lanka | Public Holiday |
| Victoria Day | Canada | National Holiday |
| Visak Bochea Day | Cambodia | Public Holiday |