| 5 de Dez | Sábado | St Nicholas' Eve/Sinterklaas | Netherlands |
|---|
| | King Bhumibol's Birthday/Father's Day | Thailand |
| 6 de Dez | Domingo | St. Nicholas Day | Belgium |
|---|
| | Second Advent Sunday | Germany, Norway, Sweden |
| | Saint Nicholas Day | Germany, Hungary |
| | Foundation of Quito | Ecuador |
| | Constitution Day | Spain |
| | Independence Day | Finland |
| | Army Day | Ukraine |
| 7 de Dez | Segunda-feira | Spitak Remembrance Day | Armenia |
|---|
| | Bridge Public Holiday | Argentina |
| | Eve of the Feast of the Immaculate Conception | Colombia |
| | Constitution Day Holiday | Spain |
| | The Feast of St. Ambrose (Milan) | Italy |
| | Western Province Day | Solomon Islands |
| | National Heroes Day | East Timor |
| | Day off for Anniversary of the Coronation of King Tupou I | Tonga |
| 8 de Dez | Terça-feira | Feast of the Immaculate Conception | Andorra, Argentina, Austria, Australia, Canada, Switzerland, Chile, Colombia, Costa Rica, Spain, Equatorial Guinea, Italy, Liechtenstein, Monaco, Macau, Malta, Nicaragua, Peru, Philippines, Portugal, Seychelles, San Marino, United Kingdom, United States, Vatican City (Holy See), Venezuela |
|---|
| | National Youth Day | Albania |
| | Battle Day | Falkland Islands |
| | Santa Marian Kamalen Day | Guam |
| | Saint Kliment Ohridski's Day | North Macedonia |
| | Constitution Day | Northern Mariana Islands, Romania, Uzbekistan |
| | Mother's Day | Panama |
| | Virgin of Caacupé Day | Paraguay |
| | Day of Our Lady of Immaculate Conception | East Timor |
| 9 de Dez | Quarta-feira | National Heroes Day | Antigua and Barbuda |
|---|
| | Day of Saint Leocadia | Spain |
| | Independence Day | Tanzania |
| 10 de Dez | Quinta-feira | Human Rights Day | Equatorial Guinea, Mongolia |
|---|
| | Anniversary of Victory over ISIS | Iraq |
| | International Human Rights Day | Moldova, Turks and Caicos Islands |
| | Day of the Namibian Women and International Human Rights Day | Namibia |
| | Constitution Day | Thailand |
| 11 de Dez | Sexta-feira | First Day of Hanukkah | Australia, Canada, Israel, United Kingdom, United States |
|---|
| | Proclamation of Independence Day | Burkina Faso |
| | Anniversary of the Statute of Westminster | Canada |
| | Human Rights and Peace Day | Kiribati |
| | Republic Day | Madagascar |
| | Birthday of the Sultan of Selangor | Malaysia |
| | Holiday for King Bhumibol's Birthday/Father's Day | Thailand |
| 12 de Dez | Sábado | Extra Work Day | Hungary |
|---|
| | Hanukkah (Day 2) | Israel |
| | Jamhuri Day | Kenya |
| | Day of the Virgin of Guadalupe | Mexico |
| | Day of Neutrality | Turkmenistan |
| | Feast of Our Lady of Guadalupe | United States |
