| January | New Year’s Day | 2023-01-01 Sunday | Legal holidays |
| Epiphany | 2023-01-06 Friday | Muslim holidays | |
| Franco-German Day | 2023-01-22 Sunday | Holidays or anniversaries | |
| Remembrance Day for the Victims of National Socialism | 2023-01-27 Friday | Holidays or anniversaries | |
| European Privacy Day | 2023-01-28 Saturday | Holidays or anniversaries | |
| February | Children’s Hospice Day | 2023-02-10 Friday | Holidays or anniversaries |
| Valentine’s Day | 2023-02-14 Tuesday | Holidays or anniversaries | |
| Shrove Monday | 2023-02-20 Monday | Holidays or anniversaries | |
| Shrove Monday | 2023-02-20 Monday | Holidays or anniversaries | |
| Shrove Tuesday/Mardi Gras | 2023-02-21 Tuesday | Christian festivals | |
| Carnival / Ash Wednesday | 2023-02-22 Wednesday | religious festival | |
| Mar. | International Women’s Day | 2023-03-08 Wednesday | Common local holidays |
| International Women’s Day | 2023-03-08 Wednesday | Holidays or anniversaries | |
| St. Patrick’s Day | 2023-03-17 Friday | Christian festivals | |
| April | Palm Sunday | 2023-04-02 Sunday | Christian festivals |
| Maundy Thursday | 2023-04-06 Thursday | religious festival | |
| Good Friday | 2023-04-07 Friday | Christian holidays | |
| Easter Sunday | 2023-04-09 Sunday | Muslim Holidays | |
| Easter Sunday | 2023-04-09 Sunday | religious festival | |
| Orthodox Easter Monday | 2023-04-10 Monday | Christian statutory holidays | |
| German Beer Day | 2023-04-23 Sunday | Holidays or anniversaries | |
| Girls’ Day – Career Information Day | 2023-04-27 Thursday | Holidays or anniversaries | |
| Walpurgis Night | 2023-04-30 Sunday | Holidays or anniversaries | |
| May | May Day | 2023-05-01 Monday | Legal holidays |
| Europe Day | 2023-05-05 Friday | Holidays or anniversaries | |
| Mother’s Day | 2023-05-14 Sunday | Holidays or anniversaries | |
| Orthodox Ascension Day | 2023-05-18 Thursday | Christian statutory holidays | |
| Father’s Day | 2023-05-18 Thursday | Holidays or anniversaries | |
| Constitution Day | 2023-05-23 Tuesday | Holidays or anniversaries | |
| Orthodox Pentecost | 2023-05-28 Sunday | Muslim holidays | |
| Orthodox Pentecost | 2023-05-28 Sunday | Christian festivals | |
| Orthodox Pentecost Monday | 2023-05-29 Monday | Christian statutory holidays | |
| June | International Children’s Day | 2023-06-01 Thursday | Holidays or anniversaries |
| European Bicycle Day | 2023-06-03 Saturday | Holidays or anniversaries | |
| Visually Impaired People Day | 2023-06-06 Tuesday | Holidays or anniversaries | |
| Corpus Christi | 2023-06-08 Thursday | Local Christian festivals | |
| Corpus Christi | 2023-06-08 Thursday | Muslim holidays | |
| Day of Music (first day) | 2023-06-16 Friday | Holidays or anniversaries | |
| Car-free Sunday | 2023-06-18 Sunday | Holidays or anniversaries | |
| Architecture Day | 2023-06-24 Saturday | Holidays or anniversaries | |
| August | Peace Festival | 2023-08-08 Tuesday | Local festivals |
| Assumption of Mary | 2023-08-15 Tuesday | Muslim holidays | |
| September | World Peace Day | 2023-09-01 Friday | Holidays or anniversaries |
| German Language Day | 2023-09-09 Saturday | Holidays or anniversaries | |
| European Heritage Days | 2023-09-10 Sunday | Holidays or anniversaries | |
| Day of the Homeland | 2023-09-10 Sunday | Holidays or anniversaries | |
| German World Children’s Day | 2023-09-20 Wednesday | Holidays or anniversaries | |
| October | Harvest Festival | 2023-10-01 Sunday | Holidays or anniversaries |
| Day of German Unity | 2023-10-03 Tuesday | Legal holidays | |
| Day of the Libraries | 2023-10-24 Tuesday | Holidays or anniversaries | |
| World Thrift Day | 2023-10-30 Monday | Holidays or anniversaries | |
| Reformation Day | 2023-10-31 Tuesday | Common local holidays | |
| Halloween | 2023-10-31 Tuesday | Holidays or anniversaries | |
| November | All Saints’ Day | 2023-11-01 Wednesday | Christian holidays |
| Night of Broken Glass Remembrance Day | 2023-11-09 Thursday | Holidays or anniversaries | |
| Fall of the Berlin Wall | 2023-11-09 Thursday | Holidays or anniversaries | |
| St. Martin’s Day | 2023-11-11 Saturday | Christian festivals | |
| National Day of Mourning | 2023-11-19 Sunday | religious festival | |
| Repentance Day | 2023-11-22 Wednesday | Muslim Holidays | |
| Sunday of the Dead | 2023-11-26 Sunday | religious festival | |
| December | First Sunday Advent | 2023-12-03 Sunday | Christian festivals |
| Saint Nicholas Day | 2023-12-06 Wednesday | Christian festivals | |
| Second Advent Sunday | 2023-12-10 Sunday | Christian festivals | |
| Third Advent Sunday | 2023-12-17 Sunday | Christian festivals | |
| Remembrance Day for Roma and Sinti killed by Genocide | 2023-12-19 Tuesday | Holidays or anniversaries | |
| Fourth Advent Sunday | 2023-12-24 Sunday | Christian festivals | |
| Christmas Eve | 2023-12-24 Sunday | religious festival | |
| Christmas Day | 2023-12-25 Monday | Christian statutory holidays | |
| Boxing Day | 2023-12-26 Tuesday | Christian statutory holidays | |
| New Year’s Eve | 2023-12-31 Sunday | Bank holidays |
