| May 20 | Monday | Whit Monday | Andorra, Antigua and Barbuda, Anguilla, Austria, Australia, Barbados, Belgium, Benin, St. Barts, The Bahamas, Canada, Central African Republic, Congo, Switzerland, Cote d'Ivoire, Czechia, Germany, Denmark, Dominica, Spain, Faroe Islands, France, Gabon, Grenada, French Guiana, Greenland, Guadeloupe, Hungary, Iceland, Saint Kitts and Nevis, Saint Lucia, Liechtenstein, Luxembourg, Monaco, Saint Martin, Madagascar, Mali, Martinique, Montserrat, New Caledonia, Netherlands, Norway, French Polynesia, Saint Pierre and Miquelon, Reunion, Solomon Islands, Saint Helena, Senegal, Togo, United Kingdom, United States, Saint Vincent and the Grenadines, British Virgin Islands, Wallis and Futuna, Mayotte |
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| | National Patriots' Day | Canada |
| | Victoria Day | Canada |
| | National Day | Cameroon |
| | Independence Day | Cuba |
| | Discovery Day | Cayman Islands |
| | Azores Day | Portugal |
| | Restoration of Independence Day | East Timor |
| May 21 | Tuesday | Navy Day | Chile |
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| | Independence Day | Montenegro |
| | Saint Helena Day | Saint Helena |
| May 22 | Wednesday | Visak Bochea Day | Cambodia |
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| | Bălți Day | Moldova |
| | Independence Day Holiday | Montenegro |
| | Abolition Day | Martinique |
| | Wesak Day | Malaysia |
| | Pahang State Holiday | Malaysia |
| | Leiria Day | Portugal |
| | Vesak Day | Singapore |
| | Visakha Bucha | Thailand |
| | Unity Day | Yemen |
| May 23 | Thursday | Buddha Purnima/Vesak | Bangladesh, India |
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| | Buddha's Parinirvana | Bhutan |
| | Waisak Day (Buddha's Anniversary) | Indonesia |
| | Labor Day / May Day | Jamaica |
| | Vesak Full Moon Poya Day | Sri Lanka |
| | Vlach’s National Day (for Vlach community) | North Macedonia |
| | Great Buddha Day | Mongolia |
| | Buddha Jayanti | Nepal |
| | Ubhauli Parva | Nepal |
| | Portalegre Day | Portugal |
| | Vesak | Vietnam |
| May 24 | Friday | Culture and Literacy Day | Bulgaria |
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| | Bermuda Day | Bermuda |
| | The Battle of Pichincha | Ecuador |
| | Independence Day | Eritrea |
| | Joint Holiday for Waisak Day | Indonesia |
| | Day after Vesak Full Moon Poya Day | Sri Lanka |
| | Saints Cyril and Methodius' Day | North Macedonia |
| May 25 | Saturday | National Day/May 1810 Revolution | Argentina |
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| | African Union Day | Ghana, Gambia, Guinea, Lesotho, Mali, Mauritania, Namibia, Zambia, Zimbabwe |
| | Independence Day | Jordan |
| | Liberation and Resistance Day | Lebanon |
| | Ashgabat City Day | Turkmenistan |
| May 26 | Sunday | Trinity Sunday | Australia, Canada, Czechia, United Kingdom, United States |
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| | Lag B'Omer | Australia, Canada, Israel, United Kingdom, United States |
| | Mother's Day | Dominican Republic, France, Haiti, Monaco, Mauritius, Poland, Sweden, Senegal |
| | Independence Day | Georgia, Guyana |
| | Royal Plowing Ceremony | Cambodia |
| | Dniester Day | Moldova |
| | Carpet Day | Turkmenistan |
| | Kyiv Day | Ukraine |
| May 27 | Monday | Memorial Day | American Samoa, Guam, Northern Mariana Islands, Puerto Rico, United States, US Virgin Islands |
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| | Reconciliation Day | Australia |
| | Mother's Day | Bolivia |
| | Spring Bank Holiday | Guernsey, Gibraltar, Jersey, United Kingdom |
| | Abolition Day | Guadeloupe |
| | Day off for Independence Day | Guyana |
| | Late May Bank Holiday | Isle of Man |
| | Children's Day | Nigeria |
| | JAGS McCartney Day | Turks and Caicos Islands |
| | Decoration Day | United States |
