Official flag days in Denmark
| 2025 | |||
| English | Dansk | Weekday | Date |
| New Year's Day | Nytårsdag | Wednesday | 1 January |
| HRH Crown princess Mary | HKH Kronprinsesse Mary | Wednesday | 5 February |
| HRH Princess Marie | HKH Prinsesse Marie | Thursday | 6 February |
| Occupation of Denmark | Danmarks besættelse | Wednesday | 9 April |
| HM The Queen | HKH Dronningen | Wednesday | 16 April |
| Good Friday | Lang fredag | Friday | 18 April |
| Easter Sunday | Påskedag | Sunday | 20 April |
| HRH Princess Benedikte | HKH Prinsesse Benedikte | Tuesday | 29 April |
| Liberation day | Danmarks Befrielse | Monday | 5 May |
| HRH Crown Prince Frederik | HKH Kronprins Frederik | Monday | 26 May |
| Constitution Day (Denmark) | Grundlovsdag | Thursday | 5 June |
| HRH Prince Joachim | HKH Prins Joachim | Saturday | 7 June |
| Pentecost | Pinsedag | Sunday | 8 June |
| HRH Prince Henrik | HKH Prins Henrik | Wednesday | 11 June |
| Day of Valdemar | Valdemars dag | Sunday | 15 June |
| Reunion Day | Genforeningsdagen | Sunday | 15 June |
| Denmarks deployed personnel | Danmarks udsendte | Friday | 5 September |
| Christmas Day | Juledag | Thursday | 25 December |
| 2026 | |||
| English | Dansk | Weekday | Date |
| New Year's Day | Nytårsdag | Thursday | 1 January |
| HRH Crown princess Mary | HKH Kronprinsesse Mary | Thursday | 5 February |
| HRH Princess Marie | HKH Prinsesse Marie | Friday | 6 February |
| Occupation of Denmark | Danmarks besættelse | Thursday | 9 April |
| HM The Queen | HKH Dronningen | Thursday | 16 April |
| Good Friday | Lang fredag | Friday | 3 April |
| Easter Sunday | Påskedag | Sunday | 5 April |
| HRH Princess Benedikte | HKH Prinsesse Benedikte | Wednesday | 29 April |
| Liberation day | Danmarks Befrielse | Tuesday | 5 May |
| HRH Crown Prince Frederik | HKH Kronprins Frederik | Tuesday | 26 May |
| Constitution Day (Denmark) | Grundlovsdag | Friday | 5 June |
| HRH Prince Joachim | HKH Prins Joachim | Sunday | 7 June |
| Pentecost | Pinsedag | Sunday | 24 May |
| HRH Prince Henrik | HKH Prins Henrik | Thursday | 11 June |
| Day of Valdemar | Valdemars dag | Monday | 15 June |
| Reunion Day | Genforeningsdagen | Monday | 15 June |
| Denmarks deployed personnel | Danmarks udsendte | Saturday | 5 September |
| Christmas Day | Juledag | Friday | 25 December |
| 2027 | |||
| English | Dansk | Weekday | Date |
| New Year's Day | Nytårsdag | Friday | 1 January |
| HRH Crown princess Mary | HKH Kronprinsesse Mary | Friday | 5 February |
| HRH Princess Marie | HKH Prinsesse Marie | Saturday | 6 February |
| Occupation of Denmark | Danmarks besættelse | Friday | 9 April |
| HM The Queen | HKH Dronningen | Friday | 16 April |
| Good Friday | Lang fredag | Friday | 26 March |
| Easter Sunday | Påskedag | Sunday | 28 March |
| HRH Princess Benedikte | HKH Prinsesse Benedikte | Thursday | 29 April |
| Liberation day | Danmarks Befrielse | Wednesday | 5 May |
| HRH Crown Prince Frederik | HKH Kronprins Frederik | Wednesday | 26 May |
| Constitution Day (Denmark) | Grundlovsdag | Saturday | 5 June |
| HRH Prince Joachim | HKH Prins Joachim | Monday | 7 June |
| Pentecost | Pinsedag | Sunday | 16 May |
| HRH Prince Henrik | HKH Prins Henrik | Friday | 11 June |
| Day of Valdemar | Valdemars dag | Tuesday | 15 June |
| Reunion Day | Genforeningsdagen | Tuesday | 15 June |
| Denmarks deployed personnel | Danmarks udsendte | Sunday | 5 September |
| Christmas Day | Juledag | Saturday | 25 December |
| 2028 | |||
| English | Dansk | Weekday | Date |
| New Year's Day | Nytårsdag | Saturday | 1 January |
| HRH Crown princess Mary | HKH Kronprinsesse Mary | Saturday | 5 February |
| HRH Princess Marie | HKH Prinsesse Marie | Sunday | 6 February |
| Occupation of Denmark | Danmarks besættelse | Sunday | 9 April |
| HM The Queen | HKH Dronningen | Sunday | 16 April |
| Good Friday | Lang fredag | Friday | 14 April |
| Easter Sunday | Påskedag | Sunday | 16 April |
| HRH Princess Benedikte | HKH Prinsesse Benedikte | Saturday | 29 April |
| Liberation day | Danmarks Befrielse | Friday | 5 May |
| HRH Crown Prince Frederik | HKH Kronprins Frederik | Friday | 26 May |
| Constitution Day (Denmark) | Grundlovsdag | Monday | 5 June |
| HRH Prince Joachim | HKH Prins Joachim | Wednesday | 7 June |
| Pentecost | Pinsedag | Sunday | 4 June |
| HRH Prince Henrik | HKH Prins Henrik | Sunday | 11 June |
| Day of Valdemar | Valdemars dag | Thursday | 15 June |
| Reunion Day | Genforeningsdagen | Thursday | 15 June |
| Denmarks deployed personnel | Danmarks udsendte | Tuesday | 5 September |
| Christmas Day | Juledag | Monday | 25 December |
| 2029 | |||
| English | Dansk | Weekday | Date |
| New Year's Day | Nytårsdag | Monday | 1 January |
| HRH Crown princess Mary | HKH Kronprinsesse Mary | Monday | 5 February |
| HRH Princess Marie | HKH Prinsesse Marie | Tuesday | 6 February |
| Occupation of Denmark | Danmarks besættelse | Monday | 9 April |
| HM The Queen | HKH Dronningen | Monday | 16 April |
| Good Friday | Lang fredag | Friday | 30 March |
| Easter Sunday | Påskedag | Sunday | 1 April |
| HRH Princess Benedikte | HKH Prinsesse Benedikte | Sunday | 29 April |
| Liberation day | Danmarks Befrielse | Saturday | 5 May |
| HRH Crown Prince Frederik | HKH Kronprins Frederik | Saturday | 26 May |
| Constitution Day (Denmark) | Grundlovsdag | Tuesday | 5 June |
| HRH Prince Joachim | HKH Prins Joachim | Thursday | 7 June |
| Pentecost | Pinsedag | Sunday | 20 May |
| HRH Prince Henrik | HKH Prins Henrik | Monday | 11 June |
| Day of Valdemar | Valdemars dag | Friday | 15 June |
| Reunion Day | Genforeningsdagen | Friday | 15 June |
| Denmarks deployed personnel | Danmarks udsendte | Wednesday | 5 September |
| Christmas Day | Juledag | Tuesday | 25 December |
| 2030 | |||
| English | Dansk | Weekday | Date |
| New Year's Day | Nytårsdag | Tuesday | 1 January |
| HRH Crown princess Mary | HKH Kronprinsesse Mary | Tuesday | 5 February |
| HRH Princess Marie | HKH Prinsesse Marie | Wednesday | 6 February |
| Occupation of Denmark | Danmarks besættelse | Tuesday | 9 April |
| HM The Queen | HKH Dronningen | Tuesday | 16 April |
| Good Friday | Lang fredag | Friday | 19 April |
| Easter Sunday | Påskedag | Sunday | 21 April |
| HRH Princess Benedikte | HKH Prinsesse Benedikte | Monday | 29 April |
| Liberation day | Danmarks Befrielse | Sunday | 5 May |
| HRH Crown Prince Frederik | HKH Kronprins Frederik | Sunday | 26 May |
| Constitution Day (Denmark) | Grundlovsdag | Wednesday | 5 June |
| HRH Prince Joachim | HKH Prins Joachim | Friday | 7 June |
| Pentecost | Pinsedag | Sunday | 9 June |
| HRH Prince Henrik | HKH Prins Henrik | Tuesday | 11 June |
| Day of Valdemar | Valdemars dag | Saturday | 15 June |
| Reunion Day | Genforeningsdagen | Saturday | 15 June |
| Denmarks deployed personnel | Danmarks udsendte | Thursday | 5 September |
| Christmas Day | Juledag | Wednesday | 25 December |