| Constitution Day | Poland | National Holiday |
| Constitution Day | Poland | National Holiday |
| Constitution Day | Poland | National Holiday |
| Constitution Day | Poland | National Holiday |
| Constitution Day | Poland | National Holiday |
| Constitution Day | Poland | National Holiday |
| Constitution Day | Poland | National Holiday |
| Constitution Memorial Day | Japan | National Holiday |
| Constitution Memorial Day | Japan | National Holiday |
| Constitution Memorial Day | Japan | National Holiday |
| Constitution Memorial Day | Japan | National Holiday |
| Constitution Memorial Day | Japan | National Holiday |
| Constitution Memorial Day | Japan | National Holiday |
| Constitution Memorial Day | Japan | National Holiday |
| Coptic Good Friday | Egypt | Observance |
| Cross Day | El Salvador | Observance |
| Cross Day | El Salvador | Observance |
| Cross Day | El Salvador | Observance |
| Cross Day | El Salvador | Observance |
| Cross Day | El Salvador | Observance |
| Cross Day | El Salvador | Observance |
| Cross Day | El Salvador | Observance |
| Day Of Madrid | Spain | Local Holiday |
| Day Of Madrid | Spain | Local Holiday |
| Day Off For Labor Day | Anguilla | Public Holiday |
| Day Off For Labor Day / May Day | Ecuador | National Holiday |
| Day Off For May Day | Malawi | Public Holiday |
| Early May Bank Holiday | United Kingdom | Bank Holiday |
| Early May Bank Holiday | Isle Of Man | Public Holiday |
| Early May Bank Holiday | Jersey | Public Holiday |
| Easter Monday | Bulgaria | National Holiday |
| Easter Monday (orthodox) | Cyprus | National Holiday, Orthodox |
| Easter Monday Orthodox | Albania | Observance, Orthodox |
| Eid Al Fitr | Afghanistan | Public Holiday |
| Eid Al Fitr | Albania | National Holiday |
| Eid Al-fitr | Algeria | Public Holiday |
| Eid Al-fitr | Bahrain | National Holiday |
| Eid Al-fitr | Burkina Faso | Public Holiday |
| Eid Al-fitr | Cameroon | Public Holiday |
| Eid Al-fitr | Central African Republic | Public Holiday |
| Eid Al-fitr | Chad | Public Holiday |
| Eid Al-fitr | Comoros | Public Holiday |
| Eid Al-fitr | Eritrea | Public Holiday |
| Eid Al-fitr | Gabon | Public Holiday |
| Eid Al-fitr | Gambia | Public Holiday |
| Eid Al-fitr | Guinea | Public Holiday |
| Eid Al-fitr | Iraq | National Holiday |
| Eid Al-fitr | Jordan | National Holiday |
| Eid Al-fitr | Kuwait | Official Holiday |
| Eid Al-fitr | Lebanon | Public Holiday |
| Eid Al-fitr | Libya | Public Holiday |
| Eid Al-fitr | Malawi | Public Holiday |
| Eid Al-fitr | Mali | Public Holiday |
| Eid Al-fitr | Mauritius | Public Holiday |
| Eid Al-fitr | Morocco | National Holiday |
| Eid Al-fitr | Niger | Public Holiday |
| Eid Al-fitr | Oman | Public Holiday |
| Eid Al-fitr | Qatar | Public Holiday |
| Eid Al-fitr | Russia | Muslim |
| Eid Al-fitr | Rwanda | Public Holiday |
| Eid Al-fitr | Saudi Arabia | National Holiday |
| Eid Al-fitr | Somalia | Public Holiday |
| Eid Al-fitr | Sudan | Public Holiday |
| Eid Al-fitr | Suriname | Public Holiday |
| Eid Al-fitr | Syria | Public Holiday |
| Eid Al-fitr | Trinidad And Tobago | Public Holiday |
| Eid Al-fitr | Tunisia | Public Holiday |
| Eid Al-fitr | Uganda | Public Holiday |
| Eid Al-fitr | Uzbekistan | Public Holiday |
| Eid Al-fitr | Yemen | Public Holiday |
| Eid Al-fitr | United States | Muslim |
| Eid Al-fitr (tentative Date) | United Arab Emirates | National Holiday |
| Eid El Fitr | Egypt | National Holiday |
| Eid El Fitri | Tanzania | Public Holiday |
| Eid Ul Fitr | United Kingdom | Muslim |
| Eid Ul Fitr | Australia | Muslim |
| Eid Ul Fitr | Canada | Muslim |
| Eid Ul Fitr | Brunei | Public Holiday |
| Eid Ul Fitr | Burundi | Public Holiday |
| Eid Ul Fitr | East Timor | Public Holiday |
| Eid Ul Fitr | Ethiopia | Public Holiday |
| Eid Ul Fitr | Maldives | Public Holiday |
| Eid Ul Fitr | Mauritania | Public Holiday |
| Eid Ul Fitr | South Africa | Muslim |
| Eid Ul Fitr | Tajikistan | Public Holiday |
| Eid Ul-fitr (tentative Date) | Bangladesh | Government Holiday |
| Eid-e-fetr (end Of Ramadan) | Iran | National Holiday |
| Eid-ul-fitar | India | Gazetted Holiday |
| Eid-ul-fitar | India | Muslim, Common Local Holiday |
| Eid-ul-fitr (tentative Date) | Pakistan | Public Holiday |
| Eidul-fitar | Philippines | Regular Holiday |
| End Of Ramadan | Bosnia And Herzegovina | Optional Holiday |
| Ethiopian Good Friday | Ethiopia | Public Holiday |
| Good Friday | Bulgaria | National Holiday |
| Good Friday (orthodox) | Cyprus | National Holiday, Orthodox |
| Good Friday Orthodox | Albania | Observance, Orthodox |
| Hari Raya Puasa (tentative Date) | Malaysia | Federal Public Holiday |
| Id El Fitr | Nigeria | Public Holiday |
| Id Ul Fitr | Ghana | Public Holiday |
| International Labor Day Observed | Vietnam | National Holiday |
| International Labor Day Observed | Vietnam | National Holiday |
| Kentucky Derby | United States | Sporting Event |
| Kentucky Oaks | United States | Sporting Event |
| Kentucky Oaks | United States | Sporting Event |
| Korite | Benin | Public Holiday |
| Korite | Senegal | Public Holiday |
| Labor Day (day 2) | Bosnia And Herzegovina | Public Holiday |
| Labor Day (day 2) | Bosnia And Herzegovina | Public Holiday |
| Labor Day / May Day | Dominica | Public Holiday |
| Labor Day / May Day | Saint Kitts And Nevis | Public Holiday |
| Labor Day / May Day Observed | Tajikistan | Public Holiday |
| Labor Day Observed | Bulgaria | National Holiday |
| Labor Day Observed | Rwanda | Public Holiday |
| Labor Day Observed | Thailand | Bank Holiday |
| Labor Holiday Second Day | Serbia | National Holiday |
| Labor Holiday Second Day | Serbia | National Holiday |
| Labour Day | Australia | Common State Holiday |
| Labour Day | Antigua And Barbuda | Public Holiday |
| Labour Day | Montserrat | Public Holiday |
| Labour Day Holiday | China | National Holiday |
| Labour Day Observed | Cambodia | Public Holiday |
| Labour Day Observed | Grenada | Public Holiday |
| Labour Day/may Day Holiday Observed | Montenegro | National Holiday |
| Labour Day/may Day Observed | Montenegro | National Holiday |
| Lag Baomer | United States | Jewish Holiday |
| Martyrdom Of Imam Ali | Iran | National Holiday |
| May Day | Australia | Common State Holiday |
| May Day | Guernsey | Public Holiday |
| May Day | Ireland | National Holiday |
| May Day Observed | Ghana | Public Holiday |
| May Day Observed | Gibraltar | Public Holiday |
| May Day Observed | Kyrgyzstan | Public Holiday |
| Mother's Day | Portugal | Observance |
| Mother's Day | Romania | Observance |
| Mothers' Day | Lithuania | Observance |
| Mothers' Day | Spain | Observance |
| National Day Of Prayer | United States | Observance |
| National Explosive Ordnance Disposal (eod) Day | United States | Observance |
| Oraza Bayram | Turkmenistan | Public Holiday |
| Orozo Ait | Kyrgyzstan | Public Holiday |
| Orthodox Easter Day Holiday | Ukraine | National Holiday, Orthodox |
| Orthodox Easter Monday | United Kingdom | Orthodox |
| Orthodox Easter Monday | Australia | Orthodox |
| Orthodox Easter Monday | Canada | Orthodox |
| Orthodox Easter Monday | Bosnia And Herzegovina | Optional Holiday |
| Orthodox Easter Monday | Georgia | Public Holiday |
| Orthodox Easter Monday | Greece | National Holiday |
| Orthodox Easter Monday | Jordan | Optional Holiday |
| Orthodox Easter Monday | Moldova | National Holiday, Orthodox |
| Orthodox Easter Monday | Montenegro | Optional Holiday |
| Orthodox Easter Monday | Romania | National Holiday, Orthodox |
| Orthodox Easter Monday | Serbia | National Holiday, Orthodox |
| Orthodox Easter Monday | United States | Orthodox |
| Orthodox Good Friday | United States | Orthodox |
| Orthodox Good Friday | United Kingdom | Orthodox |
| Orthodox Good Friday | Australia | Orthodox |
| Orthodox Good Friday | Canada | Orthodox |
| Orthodox Good Friday | Bosnia And Herzegovina | Optional Holiday |
| Orthodox Good Friday | Georgia | Public Holiday |
| Orthodox Good Friday | Greece | De Facto Holiday |
| Orthodox Good Friday | Lebanon | Observance, Orthodox |
| Orthodox Good Friday | Moldova | Observance, Orthodox |
| Orthodox Good Friday | Montenegro | Optional Holiday |
| Orthodox Good Friday | Romania | National Holiday, Orthodox |
| Orthodox Good Friday | Serbia | National Holiday, Orthodox |
| Our Lady Of Mercoles | Portugal | Municipal Holiday |
| Ramadan Bayram | Croatia | Optional Holiday |
| Ramadan Feast Eve | Turkey | Half Day |
| Ramdan Bayram | Montenegro | Optional Holiday |
| Ramjan Edul Fikra (tentative Date) | Nepal | Optional Holiday |
| Spring And Labor Day Holiday | Russia | National Holiday |
| Spring And Labor Day Holiday | Russia | National Holiday |
| Spring And Labor Day Holiday | Russia | National Holiday |
| Spring And Labor Day Observed | Russia | National Holiday |
| Spring Festival | Egypt | National Holiday |
| Unity Day Observed | Kazakhstan | Public Holiday |