| Date | Country | Holiday name |
|---|---|---|
| 2021-05-01 |  Andorra | Labour Day |
| 2021-05-01 |  Antigua & Barbuda | Labour Day |
| 2021-05-01 |  Anguilla | Labour Day |
| 2021-05-01 |  Albania | Labour Day |
| 2021-05-01 |  Armenia | Labour Day |
| 2021-05-01 |  Angola | Labour Day |
| 2021-05-01 |  Argentina | Labour Day |
| 2021-05-01 |  Austria | Staatsfeiertag |
| 2021-05-01 |  Aruba | Labour Day |
| 2021-05-01 |  Ã…land Islands | Labour Day |
| 2021-05-01 |  Bosnia and Herzegovina | Labour Day |
| 2021-05-01 |  Barbados | May Day |
| 2021-05-01 |  People's Republic of Bangladesh | May Day |
| 2021-05-01 |  Belgium | Labour Day |
| 2021-05-01 |  Burkina Faso | Labour Day |
| 2021-05-01 |  Bulgaria | Labour Day |
| 2021-05-01 |  Bahrain | Labour Day |
| 2021-05-01 |  Burundi | Labour Day |
| 2021-05-01 |  Benin | Labour Day |
| 2021-05-01 |  St. Barths | Labour Day |
| 2021-05-01 |  Bolivia | Labour Day |
| 2021-05-01 |  Caribbean Netherlands | Labour Day |
| 2021-05-01 |  Brazil | Labour Day |
| 2021-05-01 |  Botswana | Labour Day |
| 2021-05-01 |  Belarus | Labour Day |
| 2021-05-01 |  Belize | Labour Day |
| 2021-05-01 |  Democratic Republic of the Congo | Labour Day |
| 2021-05-01 |  Central African Republic | Labour Day |
| 2021-05-01 |  Republic of the Congo | Labour Day |
| 2021-05-01 |  Switzerland | Labour Day (JU) |
| 2021-05-01 |  Republic of Côte d'Ivoire | Labour Day |
| 2021-05-01 |  Chile | Labour Day |
| 2021-05-01 |  Cameroon | Labour Day |
| 2021-05-01 |  China | Labour Day |
| 2021-05-01 |  Colombia | Labour Day |
| 2021-05-01 |  Costa Rica | Labour Day |
| 2021-05-01 |  Cuba | Labour Day |
| 2021-05-01 |  Cape Verde | Labour Day |
| 2021-05-01 |  Curaçao | Labour Day |
| 2021-05-01 |  Cyprus | Labour Day |
| 2021-05-01 |  Czech Republic | Labour Day |
| 2021-05-01 |  Germany | Labour Day |
| 2021-05-01 |  Djibouti | Labour Day |
| 2021-05-01 |  Dominica | Labour Day |
| 2021-05-01 |  Dominican Republic | Labour Day |
| 2021-05-01 |  Algeria | Labour Day |
| 2021-05-01 |  Ecuador | Labour Day |
| 2021-05-01 |  Estonia | Labour Day |
| 2021-05-01 |  Egypt | Labour Day |
| 2021-05-01 |  Eritrea | Labour Day |
| 2021-05-01 |  Spain | Labour Day |
| 2021-05-01 |  Finland | Labour Day |
| 2021-05-01 |  France | Labour Day |
| 2021-05-01 |  Gabon | Labour Day |
| 2021-05-01 |  Grenada | Labour Day |
| 2021-05-01 |  Georgia | Easter Saturday |
| 2021-05-01 |  French Guiana | Labour Day |
| 2021-05-01 |  Ghana | Labour Day |
| 2021-05-01 |  The Gambia | Labour Day |
| 2021-05-01 |  Guinea | Labour Day |
| 2021-05-01 |  Guadeloupe | Labour Day |
| 2021-05-01 |  Republic of Equatorial Guinea | Labour Day |
| 2021-05-01 |  Greece | Labour Day |
| 2021-05-01 |  Guatemala | Labour Day |
| 2021-05-01 |  Guinea-Bissau | Labour Day |
| 2021-05-01 |  Guyana | Labour Day |
| 2021-05-01 |  Hong Kong | Labour Day |
| 2021-05-01 |  Honduras | Labour Day |
| 2021-05-01 |  Croatia | Labour Day |
| 2021-05-01 |  Haiti | Labour Day |
| 2021-05-01 |  Hungary | Labour Day |
| 2021-05-01 | Canary Islands | Labour Day |
| 2021-05-01 |  Indonesia | Labour Day |
| 2021-05-01 |  Iceland | Labour Day |
| 2021-05-01 |  Italia | Labour Day |
| 2021-05-01 |  Kenya | Labour Day |
| 2021-05-01 |  Comoros | Labour Day |
| 2021-05-01 |  St. Lucia | Labour Day |
| 2021-05-01 |  Lichtenstein | Labour Day |
| 2021-05-01 |  Lesotho | Workers' Day |
| 2021-05-01 |  Lithuania | Labour Day |
| 2021-05-01 |  Luxembourg | Labour Day |
| 2021-05-01 |  Latvia | Labour Day |
| 2021-05-01 |  Libya | Labour Day |
| 2021-05-01 |  Kingdom of Morocco | Labour Day |
| 2021-05-01 |  Monaco | Labour Day |
| 2021-05-01 |  Moldova | Labour Day |
| 2021-05-01 |  Montenegro | Labour Day |
| 2021-05-01 |  St. Martin | Labour Day |
| 2021-05-01 |  Madagascar | Labour Day |
| 2021-05-01 |  Macedonia | Labour Day |
| 2021-05-01 |  Republic of Mali | Labour Day |
| 2021-05-01 |  Martinique | Labour Day |
| 2021-05-01 |  Mauritania | Labour Day |
| 2021-05-01 |  Malta | Labour Day |
| 2021-05-01 |  Malawi | Labour Day |
| 2021-05-01 |  Mexico | Labour Day |
| 2021-05-01 |  Malaysia | Labour Day |
| 2021-05-01 |  Mozambique | Workers' Day |
| 2021-05-01 |  Namibia | Workers Day |
| 2021-05-01 |  New Caledonia | Labour Day |
| 2021-05-01 |  Republic of the Niger | Labour Day |
| 2021-05-01 |  Nigeria | Worker's Day |
| 2021-05-01 |  Nicaragua | Labour Day |
| 2021-05-01 |  Norway | Labour Day |
| 2021-05-01 |  Panama | Labour Day |
| 2021-05-01 |  Peru | Labour Day |
| 2021-05-01 |  Philippines | Labour Day |
| 2021-05-01 |  Poland | Labour Day |
| 2021-05-01 |  St. Pierre & Miquelon | Labour Day |
| 2021-05-01 |  Portugal | Labour Day |
| 2021-05-01 |  Paraguay | Labour Day |
| 2021-05-01 |  Réunion | Labour Day |
| 2021-05-01 |  Romania | Labour Day |
| 2021-05-01 |  Serbia | Labour Day |
| 2021-05-01 |  Russia | Spring and Labour Day |
| 2021-05-01 |  Rwanda | Labour Day |
| 2021-05-01 |  Seychelles | Labour Day |
| 2021-05-01 |  Sweden | Labour Day |
| 2021-05-01 |  Singapore | Labour Day |
| 2021-05-01 |  Slovenia | Labour Day |
| 2021-05-01 |  Svalbard & Jan Mayen | Labour Day |
| 2021-05-01 |  Slovakia | Labour Day |
| 2021-05-01 |  San Marino | Labour Day |
| 2021-05-01 |  Senegal | Labour Day |
| 2021-05-01 |  Somalia | Labour Day |
| 2021-05-01 |  Suriname | Labour Day |
| 2021-05-01 |  São Tomé & PrÃncipe | Labour Day |
| 2021-05-01 |  El Salvador | Labour Day |
| 2021-05-01 |  Sint Maarten | Labour Day |
| 2021-05-01 |  Swaziland | Labour Day |
| 2021-05-01 |  Chad | Labour Day |
| 2021-05-01 |  Togolese Republic | Labour Day |
| 2021-05-01 |  Tunisia | Labour Day |
| 2021-05-01 |  Turkey | Labour and Solidarity Day |
| 2021-05-01 |  Tanzania | Labour Day |
| 2021-05-01 |  Ukraine | Labour Day |
| 2021-05-01 |  Uganda | Labour Day |
| 2021-05-01 |  Uruguay | Labour Day |
| 2021-05-01 |  Vatican City | Saint Joseph the Worker |
| 2021-05-01 |  St. Vincent & Grenadines | Labour Day |
| 2021-05-01 |  Venezuela | Labour Day |
| 2021-05-01 |  Vietnam | Labour Day |
| 2021-05-01 |  Vanuatu | Labour Day |
| 2021-05-01 |  Kosovo | Labour Day |
| 2021-05-01 |  Mayotte | Labour Day |
| 2021-05-01 |  South Africa | Workers' Day |
| 2021-05-01 |  Zambia | Labour Day |
| 2021-05-01 |  Zimbabwe | Labour Day |
| 2021-05-01 |  Cambodia | International Labor Day |
| 2021-05-01 |  Jordan | Labor Day |
| 2021-05-01 |  Kazakhstan | Kazakhstan's People Solidarity Holiday |
| 2021-05-01 |  Laos | International Labor Day |
| 2021-05-01 |  Timor Leste | World Labor Day |
| 2021-05-01 |  Pakistan | Labour Day |
| 2021-05-01 |  Yemen | May Day |
| 2021-05-01 |  Wallis and Futuna | Labor Day / May Day |
| 2021-05-01 |  Tajikistan | Labor Day / May Day |
| 2021-05-01 |  Syria | Labor Day |
| 2021-05-01 |  French Polynesia | Labor Day / May Day |
| 2021-05-01 |  Nepal | Majdoor Divas |
| 2021-05-01 |  Maldives | Labor Day / May Day |
| 2021-05-01 |  Mauritius | Labour Day |
| 2021-05-01 |  Macau | Labor Day / May Day |
| 2021-05-01 |  Myanmar | Labor Day / May Day |
| 2021-05-01 |  Marshall Islands | Constitution Day |
| 2021-05-01 |  Sri Lanka | May Day |
| 2021-05-01 |  Lebanon | Labor Day |
| 2021-05-01 |  North Korea | May Day |
| 2021-05-01 |  Kyrgyzstan | May Day |
| 2021-05-01 |  Iraq | Labor Day |
| 2021-05-01 |  United Kingdom | Orthodox Holy Saturday |
| 2021-05-01 |  India | International Worker's Day |
| 2021-05-01 |  Australia | Orthodox Holy Saturday |
| 2021-05-01 |  Norway | Labor Day |
| 2021-05-01 |  Afghanistan | Labor Day |
| 2021-05-01 | Switzerland | Labour Day (VS) |
| 2021-05-02 | Albania | Orthodox Easter |
| 2021-05-02 | Bosnia and Herzegovina | Orthodox Easter |
| 2021-05-02 | Bosnia and Herzegovina | 2nd day of the Labour Day |
| 2021-05-02 | Bulgaria | Easter Sunday |
| 2021-05-02 | China | Labour Day |
| 2021-05-02 | Cyprus | Easter Sunday |
| 2021-05-02 | Eritrea | Orthodox Easter |
| 2021-05-02 |  Ethiopia | Easter Sunday |
| 2021-05-02 | Georgia | Easter Sunday |
| 2021-05-02 | Greece | Easter Sunday |
| 2021-05-02 | Moldova | Easter Sunday |
| 2021-05-02 | Montenegro | Easter Sunday |
| 2021-05-02 | Montenegro | Labour Day |
| 2021-05-02 | Macedonia | Orthodox Easter |
| 2021-05-02 | Romania | Easter Sunday |
| 2021-05-02 | Serbia | Orthodox Easter |
| 2021-05-02 |  Sudan | Coptic Easter |
| 2021-05-02 | Slovenia | Labour Day |
| 2021-05-02 | Ukraine | Orthodox Easter |
| 2021-05-02 | Kosovo | Orthodox Easter |
| 2021-05-02 | Syria | Orthodox Easter Day |
| 2021-05-02 | Lebanon | Orthodox Easter Day |
| 2021-05-02 | Lebanon | Martyr's Day |
| 2021-05-02 | United Kingdom | Orthodox Easter |
| 2021-05-02 | Australia | Orthodox Easter |
| 2021-05-02 |  Bhutan | Birth Anniversary of Third Druk Gyalpo |
| 2021-05-03 | Albania | Orthodox Easter |
| 2021-05-03 |  Australia | May Day (NT) |
| 2021-05-03 | Australia | Labour Day (QLD) |
| 2021-05-03 | Bosnia and Herzegovina | 2nd day of the Labour Day (substitute day) |
| 2021-05-03 | Bulgaria | Easter Monday |
| 2021-05-03 | China | Labour Day |
| 2021-05-03 | Cyprus | Easter Monday |
| 2021-05-03 | Egypt | Sham El Nessim |
| 2021-05-03 | Spain | Labour Day (substitute day) (CT) |
| 2021-05-03 | Spain | DÃa de la Comunidad de Madrid (MD) |
| 2021-05-03 | Spain | DÃa de la Comunidad de Madrid (substitute day) (MD) |
| 2021-05-03 |  United Kingdom | Early May bank holiday |
| 2021-05-03 | Georgia | Easter Monday |
| 2021-05-03 |  Guernsey | Early May bank holiday |
| 2021-05-03 | Ghana | Labour Day (substitute day) |
| 2021-05-03 |  Gibraltar | May Day |
| 2021-05-03 | Greece | Easter Monday |
| 2021-05-03 |  Ireland | May Day |
| 2021-05-03 |  Isle of Man | Early May bank holiday |
| 2021-05-03 |  Jersey | Early May bank holiday |
| 2021-05-03 |  Japan | Constitution Day |
| 2021-05-03 |  St. Kitts & Nevis | Labour Day |
| 2021-05-03 | Moldova | Easter Monday |
| 2021-05-03 | Montenegro | Labour Day (substitute day) |
| 2021-05-03 | Macedonia | Orthodox Easter Monday |
| 2021-05-03 |  Montserrat | Labour Day |
| 2021-05-03 | Malawi | Labour Day |
| 2021-05-03 | Nigeria | Worker's Day (substitute day) |
| 2021-05-03 | Poland | Constitution Day |
| 2021-05-03 | Romania | Easter Monday |
| 2021-05-03 | Serbia | Orthodox Easter Monday |
| 2021-05-03 | Serbia | Labour Day |
| 2021-05-03 | Swaziland | Labour Day (substitute day) |
| 2021-05-03 | Ukraine | Orthodox Easter |
| 2021-05-03 | Kazakhstan | Kazakhstan's People Solidarity Holiday (observed) |
| 2021-05-03 | Laos | International Labor Day (in lieu) |
| 2021-05-03 | Macau | May Day Holiday |
| 2021-05-03 | Lebanon | Orthodox Easter Monday |
| 2021-05-03 | United Kingdom | Orthodox Easter Monday |
| 2021-05-03 | United Kingdom | Early May Bank Holiday |
| 2021-05-03 | Australia | Orthodox Easter Monday |
| 2021-05-03 |  Iran | Martyrdom of Imam Ali |
| 2021-05-04 | Austria | Florian |
| 2021-05-04 | China | Labour Day |
| 2021-05-04 | Japan | Greenery Day |
| 2021-05-04 | Latvia | Restoration of Independence day |
| 2021-05-04 | Namibia | Cassinga Day |
| 2021-05-04 |  Thailand | Coronation Day |
| 2021-05-04 | Ukraine | Labour Day (substitute day) |
| 2021-05-04 |  United States of America | Primary Election Day |
| 2021-05-04 |  Netherlands | Remembrance Day |
| 2021-05-04 | China | Youth Day |
| 2021-05-05 | China | Labour Day |
| 2021-05-05 | Guyana | Arrival Day |
| 2021-05-05 | Japan | Children's Day |
| 2021-05-05 |  South Korea | Children's Day |
| 2021-05-05 |  Palau | Senior Citizens Day |
| 2021-05-05 | Kyrgyzstan | Constitution Day of the Kyrgyz Republic |
| 2021-05-05 | Netherlands | Liberation Day |
| 2021-05-05 | The Gambia | Lailat al-Qadr |
| 2021-05-06 | Bulgaria | St. George's Day |
| 2021-05-06 | Syria | Martyrs' Day |
| 2021-05-07 | Kazakhstan | Defender of the Fatherland Day |
| 2021-05-07 | India | Jamat Ul-Vida |
| 2021-05-08 | St. Barths | Victory Day |
| 2021-05-08 | Czech Republic | Liberation Day |
| 2021-05-08 | France | Victory Day |
| 2021-05-08 | French Guiana | Victory Day |
| 2021-05-08 | Guadeloupe | Victory Day |
| 2021-05-08 | St. Martin | Victory Day |
| 2021-05-08 | Martinique | Victory Day |
| 2021-05-08 | New Caledonia | Victory Day |
| 2021-05-08 | St. Pierre & Miquelon | Victory Day |
| 2021-05-08 | Réunion | Victory Day |
| 2021-05-08 | Slovakia | Day of victory over fascism |
| 2021-05-08 | United States of America | Truman Day |
| 2021-05-08 | Mayotte | Victory Day |
| 2021-05-08 | Wallis and Futuna | Victory Day |
| 2021-05-08 | French Polynesia | Victory Day |
| 2021-05-08 | United Kingdom | Laylatul Qadr (Night of Power) |
| 2021-05-08 | Australia | Laylatul Qadr (Night of Power) |
| 2021-05-08 | Norway | Day of Liberation |
| 2021-05-09 | Armenia | Victory and Peace Day |
| 2021-05-09 |  Azerbaijan | Day of Victory over Fascism |
| 2021-05-09 | Bosnia and Herzegovina | Victory Day |
| 2021-05-09 | Belarus | Victory Day |
| 2021-05-09 | Georgia | Victory Day |
| 2021-05-09 | Guernsey | Liberation Day |
| 2021-05-09 | Jersey | Liberation Day |
| 2021-05-09 | Luxembourg | Europe Day |
| 2021-05-09 | Moldova | Victory Day |
| 2021-05-09 | Russia | Victory Day |
| 2021-05-09 | Ukraine | Victory Day |
| 2021-05-09 | Kosovo | Europe Day |
| 2021-05-09 | Kazakhstan | Victory Day |
| 2021-05-09 |  Uzbekistan | Day of Memory and Honor |
| 2021-05-09 |  Turkmenistan | Victory Day |
| 2021-05-09 |  New Zealand | Mother's Day |
| 2021-05-09 | Tajikistan | Victory Day |
| 2021-05-09 |  Qatar | Eid al-Fitr Public Sector Holiday |
| 2021-05-09 | Sri Lanka | Mother's Day |
| 2021-05-09 | Lebanon | Liberation and Resistance Holiday |
| 2021-05-09 | Kyrgyzstan | Victory Day |
| 2021-05-09 | India | Mothers' Day |
| 2021-05-09 | India | Birthday of Rabindranath |
| 2021-05-09 | Australia | Mother's Day |
| 2021-05-09 | Netherlands | Mother's Day |
| 2021-05-09 | Republic of Côte d'Ivoire | Laylat al-Qadr |
| 2021-05-09 | Guinea | Laylat al-Qadr |
| 2021-05-09 | Republic of the Niger | Laylat al-Qadr |
| 2021-05-10 | Azerbaijan | Day of Victory over Fascism (substitute day) |
| 2021-05-10 |  Western Sahara | May 20 Revolution |
| 2021-05-10 | Moldova | Memorial Day |
| 2021-05-10 | Ukraine | Victory Day (substitute day) |
| 2021-05-10 | United States of America | Confederate Memorial Day |
| 2021-05-10 | Kazakhstan | Victory Day (observed) |
| 2021-05-10 | Pakistan | Eid-ul-Fitr Holiday |
| 2021-05-10 |  Samoa | Mother's Day |
| 2021-05-10 |  Tuvalu | Gospel Day |
| 2021-05-10 | Tajikistan | Day off for Victory Day |
| 2021-05-10 | Qatar | Eid al-Fitr Public Sector Holiday |
| 2021-05-10 |  Micronesia | Constitution Day |
| 2021-05-11 | Belarus | Commemoration Day |
| 2021-05-11 | Pakistan | Eid-ul-Fitr Holiday |
| 2021-05-11 | Yemen | Eid al-Fitr holiday |
| 2021-05-11 | Qatar | Eid al-Fitr Public Sector Holiday |
| 2021-05-12 | Georgia | Saint Andrew the First-Called Day |
| 2021-05-12 | Pakistan | Eid-ul-Fitr Holiday |
| 2021-05-12 | Yemen | Eid al-Fitr Eve |
| 2021-05-12 | Qatar | Eid al-Fitr Public Sector Holiday |
| 2021-05-12 |  Oman | Eid al-Fitr Holiday |
| 2021-05-13 | Austria | Ascension Day |
| 2021-05-13 | Aruba | Ascension Day |
| 2021-05-13 | Ã…land Islands | Ascension Day |
| 2021-05-13 | Belgium | Ascension Day |
| 2021-05-13 | Burkina Faso | Ascension Day |
| 2021-05-13 | Burundi | Ascension Day |
| 2021-05-13 | Benin | Ascension Day |
| 2021-05-13 | St. Barths | Ascension Day |
| 2021-05-13 | Caribbean Netherlands | Ascension Day |
| 2021-05-13 | Botswana | Ascension Day |
| 2021-05-13 | Central African Republic | Ascension Day |
| 2021-05-13 | Republic of the Congo | Ascension Day |
| 2021-05-13 | Switzerland | Ascension Day |
| 2021-05-13 | Republic of Côte d'Ivoire | Ascension Day |
| 2021-05-13 | Cameroon | Ascension Day |
| 2021-05-13 | Curaçao | Ascension Day |
| 2021-05-13 | Germany | Ascension Day |
| 2021-05-13 |  Denmark | Ascension Day |
| 2021-05-13 | Finland | Ascension Day |
| 2021-05-13 |  Faroe Islands | Ascension Day |
| 2021-05-13 | France | Ascension Day |
| 2021-05-13 | French Guiana | Ascension Day |
| 2021-05-13 |  Greenland | Ascension Day |
| 2021-05-13 | Guadeloupe | Ascension Day |
| 2021-05-13 | Haiti | Ascension Day |
| 2021-05-13 | Indonesia | Ascension Day |
| 2021-05-13 | Iceland | Ascension Day |
| 2021-05-13 | Lichtenstein | Ascension Day |
| 2021-05-13 | Lesotho | Ascension Day |
| 2021-05-13 | Luxembourg | Ascension Day |
| 2021-05-13 | Monaco | Ascension Day |
| 2021-05-13 | St. Martin | Ascension Day |
| 2021-05-13 | Madagascar | Ascension Day |
| 2021-05-13 | Martinique | Ascension Day |
| 2021-05-13 | Namibia | Ascension Day |
| 2021-05-13 | New Caledonia | Ascension Day |
| 2021-05-13 |  Netherlands | Ascension Day |
| 2021-05-13 | Norway | Ascension Day |
| 2021-05-13 | St. Pierre & Miquelon | Ascension Day |
| 2021-05-13 | Réunion | Ascension Day |
| 2021-05-13 | Sweden | Ascension Day |
| 2021-05-13 |  St. Helena | Ascension Day |
| 2021-05-13 | Svalbard & Jan Mayen | Ascension Day |
| 2021-05-13 | Senegal | Ascension Day |
| 2021-05-13 | Sint Maarten | Ascension Day |
| 2021-05-13 | Swaziland | Ascension Day |
| 2021-05-13 | Togolese Republic | Ascension Day |
| 2021-05-13 | Vanuatu | Ascension Day |
| 2021-05-13 | Mayotte | Ascension Day |
| 2021-05-13 | Jordan | Eid al-Fitr (estimated) |
| 2021-05-13 |  Kuwait | Eid al-Fitr (estimated) |
| 2021-05-13 |  Saudi Arabia | Eid al-Fitr Holiday (estimated) |
| 2021-05-13 | Timor Leste | Eid al-Fitr |
| 2021-05-13 | Uzbekistan | Eid al-Fitr |
| 2021-05-13 | Pakistan | Eid-ul-Fitr |
| 2021-05-13 | Yemen | Eid al-Fitr |
| 2021-05-13 | Wallis and Futuna | Ascension Day |
| 2021-05-13 | Turkmenistan | Oraza Bayram |
| 2021-05-13 | Tajikistan | Eid ul Fitr |
| 2021-05-13 | Syria | Eid al-Fitr |
| 2021-05-13 | Qatar | Eid al-Fitr |
| 2021-05-13 | French Polynesia | Ascension Day |
| 2021-05-13 | Oman | Eid al-Fitr |
| 2021-05-13 | Maldives | Eid-ul-Fithr |
| 2021-05-13 | Lebanon | Ascension Day |
| 2021-05-13 | Lebanon | Eid al-Fitr |
| 2021-05-13 | Kyrgyzstan | Orozo Ait |
| 2021-05-13 | Iraq | Eid al-Fitr |
| 2021-05-13 | United Kingdom | Ascension Day |
| 2021-05-13 | United Kingdom | Eid ul Fitr |
| 2021-05-13 | Australia | Ascension Day |
| 2021-05-13 | Australia | Eid ul Fitr |
| 2021-05-13 | Norway | Ascension Day |
| 2021-05-13 | Netherlands | Ascension Day |
| 2021-05-13 | Afghanistan | Eid al-Fitr |
| 2021-05-13 |  United Arab Emirates | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Albania | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Azerbaijan | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Bosnia and Herzegovina | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | People's Republic of Bangladesh | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Burkina Faso | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Bahrain | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Burundi | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Benin | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 |  Brunei | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 |  Cocos (Keeling) Islands | Hari Raya Puasa |
| 2021-05-13 | Central African Republic | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Republic of Côte d'Ivoire | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Cameroon | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 |  Christmas Island | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Djibouti | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Algeria | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Egypt | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Western Sahara | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Eritrea | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Spain | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Ethiopia | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Gabon | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Ghana | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | The Gambia | Korité |
| 2021-05-13 | Guinea | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Guinea-Bissau | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Indonesia | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Iran | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Kenya | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Comoros | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Libya | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Kingdom of Morocco | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Montenegro | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Madagascar | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Macedonia | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Republic of Mali | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Mauritania | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Malawi | Eid al Fitri |
| 2021-05-13 | Malaysia | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Republic of the Niger | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Nigeria | Id el Fitr |
| 2021-05-13 | Philippines | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Rwanda | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Sudan | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Singapore | Hari Raya Puasa |
| 2021-05-13 |  Sierra Leone | Korité |
| 2021-05-13 | Senegal | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Somalia | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Suriname | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Chad | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Tunisia | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Turkey | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 |  Trinidad & Tobago | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Tanzania | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Uganda | End of Ramadan (Eid al-Fitr) |
| 2021-05-13 | Kosovo | End of Ramadan (Eid al-Fitr) |
| 2021-05-14 | Lichtenstein | Feiertagsbrücke |
| 2021-05-14 |  Liberia | National Unification Day |
| 2021-05-14 | Malawi | Kamuzu Day |
| 2021-05-14 | Paraguay | Independence Day |
| 2021-05-14 | Cambodia | HM King Norodom Sihamoni's Birthday |
| 2021-05-14 | Jordan | Eid al-Fitr Holiday (estimated) |
| 2021-05-14 | Kuwait | Eid al-Fitr Holiday (estimated) |
| 2021-05-14 | Saudi Arabia | Eid al-Fitr Holiday (estimated) |
| 2021-05-14 | Uzbekistan | Additional day off by Presidential decree |
| 2021-05-14 | Pakistan | Eid-ul-Fitr Holiday |
| 2021-05-14 | Yemen | Eid al-Fitr holiday |
| 2021-05-14 | Qatar | Eid al-Fitr Holiday |
| 2021-05-14 | Oman | Eid al-Fitr Holiday |
| 2021-05-14 | Nepal | Ramjan Edul Fikra |
| 2021-05-14 | Maldives | Eid-ul-Fithr Holiday |
| 2021-05-14 | Mauritius | Eid al-Fitr |
| 2021-05-14 | Sri Lanka | Eid al-Fitr |
| 2021-05-14 | Lebanon | Eid al-Fitr Holiday |
| 2021-05-14 | Iraq | Eid al-Fitr holiday |
| 2021-05-14 | India | Ramzan Id/Eid-ul-Fitar |
| 2021-05-14 | India | Ramzan Id/Eid-ul-Fitar |
| 2021-05-14 | Afghanistan | Eid al-Fitr Holiday |
| 2021-05-14 | Azerbaijan | End of Ramadan (Eid al-Fitr) |
| 2021-05-14 | Indonesia | End of Ramadan (Eid al-Fitr) |
| 2021-05-14 | Iran | Holyday for Fetr Eeid |
| 2021-05-14 | Malaysia | End of Ramadan (Eid al-Fitr) |
| 2021-05-14 |  South Sudan | End of Ramadan (Eid al-Fitr) |
| 2021-05-14 | Togolese Republic | End of Ramadan (Eid al-Fitr) |
| 2021-05-15 | Paraguay | Independence Day |
| 2021-05-15 | Jordan | Eid al-Fitr Holiday (estimated) |
| 2021-05-15 | Kuwait | Eid al-Fitr Holiday (estimated) |
| 2021-05-15 | Saudi Arabia | Eid al-Fitr Holiday (estimated) |
| 2021-05-15 | Pakistan | Eid-ul-Fitr Holiday |
| 2021-05-15 | Qatar | Eid al-Fitr Holiday |
| 2021-05-15 | Oman | Eid al-Fitr Holiday |
| 2021-05-15 | Maldives | Eid-ul-Fithr Holiday |
| 2021-05-15 |  Mongolia | Family Day |
| 2021-05-15 | Iraq | Eid al-Fitr holiday |
| 2021-05-15 | Afghanistan | Eid al-Fitr Holiday |
| 2021-05-16 | South Sudan | SPLA Day |
| 2021-05-16 | Saudi Arabia | Eid al-Fitr Holiday (estimated) |
| 2021-05-16 | Qatar | Eid al-Fitr Public Sector Holiday |
| 2021-05-17 | Democratic Republic of the Congo | Liberation Day |
| 2021-05-17 | Colombia | Ascension Day |
| 2021-05-17 | Spain | DÃa de las Letras Gallegas |
| 2021-05-17 |  Cayman Islands | Discovery Day |
| 2021-05-17 | Norway | Constitution Day |
| 2021-05-17 | Svalbard & Jan Mayen | Constitution Day |
| 2021-05-17 | Saudi Arabia | Eid al-Fitr Holiday (observed, estimated) |
| 2021-05-17 | Qatar | Eid al-Fitr Public Sector Holiday |
| 2021-05-17 |  Nauru | Constitution Day |
| 2021-05-17 | United Kingdom | Shavuot |
| 2021-05-17 | Australia | Shavuot |
| 2021-05-17 | Norway | 17 May Constitution Day (1814) |
| 2021-05-17 |  Israel | Shavuot (Feast of Weeks) |
| 2021-05-18 | Haiti | Flag and Universities' Day |
| 2021-05-18 | Somalia | Restoration of Somaliland Sovereignty |
| 2021-05-18 | Saudi Arabia | Eid al-Fitr Holiday (observed, estimated) |
| 2021-05-18 | Turkmenistan | Constitution Day |
| 2021-05-18 | Qatar | Eid al-Fitr Public Sector Holiday |
| 2021-05-19 | People's Republic of Bangladesh | Buddha's Birthday |
| 2021-05-19 | Cape Verde | Dia do MunicÃpio da Praia |
| 2021-05-19 | Hong Kong | Birthday of the Buddha |
| 2021-05-19 | South Korea | Buddha's Birthday |
| 2021-05-19 | Turkey | Commemoration of Atatürk, Youth and Sports Day |
| 2021-05-19 | United States of America | Malcolm X Day |
| 2021-05-19 | Macau | Buddha's Birthday |
| 2021-05-20 | Cameroon | National Day |
| 2021-05-20 | Timor Leste | Restoration of Independence Day |
| 2021-05-21 | Chile | Navy Day |
| 2021-05-21 | Montenegro | Independence Day |
| 2021-05-21 | St. Helena | Saint Helena Day |
| 2021-05-22 | France | Abolition of Slavery |
| 2021-05-22 | Montenegro | Independence Day |
| 2021-05-22 | Martinique | Abolition of Slavery |
| 2021-05-22 | Malaysia | Hari Hol of Pahang |
| 2021-05-22 | Yemen | Unity Day |
| 2021-05-22 | Norway | Whit Saturday |
| 2021-05-23 | Andorra | Pentecost |
| 2021-05-23 | Austria | Pentecost |
| 2021-05-23 | Barbados | Pentecost |
| 2021-05-23 | Burkina Faso | Pentecost |
| 2021-05-23 | Republic of the Congo | Pentecost |
| 2021-05-23 | Switzerland | Pentecost |
| 2021-05-23 | Denmark | Pentecost |
| 2021-05-23 | Estonia | Pentecost |
| 2021-05-23 | Finland | Pentecost |
| 2021-05-23 | Faroe Islands | Pentecost |
| 2021-05-23 | Greenland | Pentecost |
| 2021-05-23 | Hungary | Pentecost |
| 2021-05-23 | Iceland | Pentecost |
| 2021-05-23 | Netherlands | Pentecost |
| 2021-05-23 | Norway | Pentecost |
| 2021-05-23 | Poland | Pentecost |
| 2021-05-23 | Sweden | Pentecost |
| 2021-05-23 | Slovenia | Pentecost |
| 2021-05-23 | Svalbard & Jan Mayen | Pentecost |
| 2021-05-23 | Sint Maarten | Pentecost |
| 2021-05-23 | Turkmenistan | Carpet Day |
| 2021-05-23 | United Kingdom | Pentecost |
| 2021-05-23 | Australia | Pentecost |
| 2021-05-23 | Norway | Whit Sunday |
| 2021-05-23 | Netherlands | Whit Sunday |
| 2021-05-24 | Andorra | Whit Monday |
| 2021-05-24 | Antigua & Barbuda | Whit Monday |
| 2021-05-24 | Anguilla | Whit Monday |
| 2021-05-24 | Argentina | Bridge Day |
| 2021-05-24 | Austria | Whit Monday |
| 2021-05-24 | Barbados | Whit Monday |
| 2021-05-24 | Belgium | Whit Monday |
| 2021-05-24 | Bulgaria | Bulgarian Education and Culture, and Slavonic Literature Day |
| 2021-05-24 | Benin | Whit Monday |
| 2021-05-24 | St. Barths | Whit Monday |
| 2021-05-24 |  Bahamas | Whit Monday |
| 2021-05-24 | Belize | Commonwealth Day, Sovereign's Day |
| 2021-05-24 |  Canada | Victoria Day |
| 2021-05-24 | Canada | National Patriots' Day (QC) |
| 2021-05-24 | Central African Republic | Whit Monday |
| 2021-05-24 | Republic of the Congo | Whit Monday |
| 2021-05-24 | Switzerland | Whit Monday |
| 2021-05-24 | Republic of Côte d'Ivoire | Whit Monday |
| 2021-05-24 | Germany | Whit Monday |
| 2021-05-24 | Denmark | Whit Monday |
| 2021-05-24 | Dominica | Whit Monday |
| 2021-05-24 | Ecuador | The Battle of Pichincha |
| 2021-05-24 | Eritrea | Independence Day |
| 2021-05-24 | Spain | Whit Monday |
| 2021-05-24 | Faroe Islands | Whit Monday |
| 2021-05-24 | France | Whit Monday |
| 2021-05-24 | Gabon | Whit Monday |
| 2021-05-24 | Grenada | Whit Monday |
| 2021-05-24 | French Guiana | Whit Monday |
| 2021-05-24 | Greenland | Whit Monday |
| 2021-05-24 | Guadeloupe | Whit Monday |
| 2021-05-24 | Hungary | Whit Monday |
| 2021-05-24 | Iceland | Whit Monday |
| 2021-05-24 | Italia | Whit Monday |
| 2021-05-24 |  Jamaica | Labour Day |
| 2021-05-24 | St. Kitts & Nevis | Whit Monday |
| 2021-05-24 | St. Lucia | Whit Monday |
| 2021-05-24 | Lichtenstein | Whit Monday |
| 2021-05-24 | Luxembourg | Whit Monday |
| 2021-05-24 | Monaco | Whit Monday |
| 2021-05-24 | St. Martin | Whit Monday |
| 2021-05-24 | Madagascar | Whit Monday |
| 2021-05-24 | Macedonia | Saints Cyril and Methodius Day |
| 2021-05-24 | Martinique | Whit Monday |
| 2021-05-24 | Montserrat | Whit Monday |
| 2021-05-24 | New Caledonia | Whit Monday |
| 2021-05-24 | Netherlands | Whit Monday |
| 2021-05-24 | Norway | Whit Monday |
| 2021-05-24 | St. Pierre & Miquelon | Whit Monday |
| 2021-05-24 | Réunion | Whit Monday |
| 2021-05-24 | St. Helena | Whit Monday |
| 2021-05-24 | Svalbard & Jan Mayen | Whit Monday |
| 2021-05-24 | Senegal | Whit Monday |
| 2021-05-24 | Togolese Republic | Whit Monday |
| 2021-05-24 | St. Vincent & Grenadines | Whit Monday |
| 2021-05-24 |  British Virgin Islands | Whit Monday |
| 2021-05-24 | Mayotte | Whit Monday |
| 2021-05-24 | Wallis and Futuna | Whit Monday |
| 2021-05-24 |  Solomon Islands | Whit Monday |
| 2021-05-24 | French Polynesia | Whit Monday |
| 2021-05-24 | Sri Lanka | Vesak Holiday - Public Sector |
| 2021-05-24 | United Kingdom | Whit Monday |
| 2021-05-24 | Australia | Whit Monday |
| 2021-05-24 | Norway | Whit Monday |
| 2021-05-24 | Netherlands | Whit Monday |
| 2021-05-25 | Argentina | Day of the First National Government |
| 2021-05-25 | Bolivia | Chuquisaca Day |
| 2021-05-25 | The Gambia | Africa Day |
| 2021-05-25 | Guinea | Africa Day |
| 2021-05-25 | Lesotho | Africa Day/ Heroes' Day |
| 2021-05-25 | Madagascar | Africa Day |
| 2021-05-25 | Republic of Mali | Jour de l'Afrique |
| 2021-05-25 | Mauritania | Africa Day |
| 2021-05-25 | Namibia | Africa Day |
| 2021-05-25 | Zambia | African Freedom Day |
| 2021-05-25 | Zimbabwe | Africa Day |
| 2021-05-25 | Jordan | Independence Day |
| 2021-05-25 | Turkmenistan | Ashgabat City Day |
| 2021-05-25 | Myanmar | Full Moon Day of Kasong |
| 2021-05-25 | Sri Lanka | Vesak Holiday - Public Sector |
| 2021-05-25 | Lebanon | Liberation and Resistance Day |
| 2021-05-26 | Georgia | Independence Day |
| 2021-05-26 | Guyana | Independence Day |
| 2021-05-26 | Indonesia | Vesak Day |
| 2021-05-26 | Malaysia | Vesak Day |
| 2021-05-26 | Singapore | Vesak Day |
| 2021-05-26 | Thailand | Vesak Day |
| 2021-05-26 | Pakistan | Buddha Purnima |
| 2021-05-26 | Nepal | Buddha Jayanti |
| 2021-05-26 | Nepal | Ubhauli Parva |
| 2021-05-26 | Mongolia | Great Buddha Day |
| 2021-05-26 | Sri Lanka | Vesak Full Moon Poya Day |
| 2021-05-26 | India | Buddha Purnima/Vesak |
| 2021-05-26 | Australia | National Sorry Day |
| 2021-05-26 | Bhutan | Buddha's Parinirvana |
| 2021-05-27 | France | Abolition of Slavery (GP) |
| 2021-05-27 | France | abolition of slavery (MF) |
| 2021-05-27 | Guadeloupe | Abolition of Slavery |
| 2021-05-27 | St. Martin | abolition of slavery |
| 2021-05-27 | Nigeria | Children's Day |
| 2021-05-27 | Sri Lanka | Day after Vesak Full Moon Poya Day |
| 2021-05-28 | Armenia | Republic Day |
| 2021-05-28 | Azerbaijan | Republic Day |
| 2021-05-28 |  Bermuda | Bermuda Day |
| 2021-05-28 | Ethiopia | Derg Downfall Day |
| 2021-05-28 | Venezuela | Natalicio de Jacinto Lara |
| 2021-05-29 | Turkmenistan | Internal Affairs Officers Day |
| 2021-05-29 | Nepal | Ganatantra Diwas (Republic Day) |
| 2021-05-30 | Anguilla | Anguilla Day |
| 2021-05-30 | Spain | Canary Islands Day |
| 2021-05-30 | Croatia | National Day |
| 2021-05-30 | Canary Islands | Canary Islands Day |
| 2021-05-30 | Malaysia | Tadau Kaamatan |
| 2021-05-30 | Trinidad & Tobago | Indian Arrival Day |
| 2021-05-30 | Mauritius | Mother's Day |
| 2021-05-30 | United Kingdom | Trinity Sunday |
| 2021-05-30 | Australia | Trinity Sunday |
| 2021-05-31 |  American Samoa | Memorial Day |
| 2021-05-31 | Australia | Reconciliation Day |
| 2021-05-31 | Spain | DÃa de Castilla-La Mancha (CM) |
| 2021-05-31 | Spain | Canary Islands Day (substitute day) (CN) |
| 2021-05-31 | United Kingdom | Spring bank holiday |
| 2021-05-31 | Guernsey | Spring bank holiday |
| 2021-05-31 | Gibraltar | Spring bank holiday |
| 2021-05-31 |  Guam | Memorial Day |
| 2021-05-31 | Canary Islands | Canary Islands Day (substitute day) |
| 2021-05-31 | Isle of Man | Spring bank holiday |
| 2021-05-31 | Jersey | Spring bank holiday |
| 2021-05-31 | Malaysia | Tadau Kaamatan |
| 2021-05-31 |  Puerto Rico | Memorial Day |
| 2021-05-31 |  Turks & Caicos Islands | National Heroes' Day |
| 2021-05-31 | Trinidad & Tobago | Indian Arrival Day (substitute day) |
| 2021-05-31 | United States of America | Memorial Day |
| 2021-05-31 |  U.S. Virgin Islands | Memorial Day |
| 2021-05-31 |  Northern Mariana Islands | Memorial Day |
| 2021-05-31 | United Kingdom | Spring Bank Holiday |
Incorrect Data Report
If you believe any of the data is incorrect, please report it below.
Are you interested in reporting incorrect data?