National holidays of Angola and Japan in 2023
| Holiday of Angola / Holiday of Japan | ||||
| Month | Day | weekday | Holiday | Country |
| January | 1 | Sunday | New Year's Day | Angola / Japan |
| January | 2 | Monday | New Year Holiday | Japan |
| January | 9 | Monday | Adulthood Day | Japan |
| February | 4 | Saturday | Beginning of the Armed Fight for National Libertation | Angola |
| February | 11 | Saturday | Foundation Day | Japan |
| February | 20 | Monday | Carnival (Bridge) | Angola |
| February | 21 | Tuesday | Carnival | Angola |
| February | 23 | Thursday | Emperor's Birthday | Japan |
| March | 8 | Wednesday | International Woman's Day | Angola |
| March | 21 | Tuesday | Vernal Equinox Day | Japan |
| March | 23 | Thursday | South Africa Libertation Day | Angola |
| March | 24 | Friday | South Africa Libertation Day (Bridge) | Angola |
| April | 3 | Monday | Peace Day (Bridge) | Angola |
| April | 4 | Tuesday | Peace Day | Angola |
| April | 7 | Friday | Good Friday | Angola |
| April | 29 | Saturday | Showa Day | Japan |
| May | 1 | Monday | Labour Day | Angola |
| May | 3 | Wednesday | Constitution Day | Japan |
| May | 4 | Thursday | Green Day | Japan |
| May | 5 | Friday | Childrens Day | Japan |
| July | 17 | Monday | Sea Day | Japan |
| August | 11 | Friday | Mountain Day | Japan |
| September | 17 | Sunday | Day of the Founder of the Nation and the National Hero | Angola |
| September | 18 | Monday | Respect for the Aged Day | Japan |
| September | 23 | Saturday | Autumnal Equinox Day | Japan |
| October | 9 | Monday | Sports Day | Japan |
| November | 2 | Thursday | All Soul's Day | Angola |
| November | 3 | Friday | All Soul's Day (Bridge) | Angola |
| November | 3 | Friday | Culture Day | Japan |
| November | 11 | Saturday | Independence Day | Angola |
| November | 23 | Thursday | Labor Thanksgiving Day | Japan |
| December | 25 | Saturday | Christmas | Angola |