| New Year's Day |
Sunday, January 1st, 2023 |
| New Year's Day reported |
Monday, January 2nd, 2023 |
| Saint Dévote's Day |
Friday, January 27, 2023 |
| The afternoon of Good Friday |
Friday, April 7, 2023 |
| Easter Monday |
Monday, April 10, 2023 |
| Day of the Labour |
Monday, May 1st, 2023 |
| Ascension's Day |
Thursday, May 18, 2023 |
| Formula 1 Grand Prix / Whit Monday |
Thursday May 25, Friday May 26 and Monday May 29, 2023 |
| Corpus Christi's Day |
Thursday, June 8, 2023 |
| Assumption's Day |
Tuesday, August 15, 2023 |
| All Saints' Day |
Wednesday, November 1st, 2023 |
| H.S.H. the Sovereign Prince's Day |
Sunday, November 19, 2023 |
| H.S.H. the Sovereign Prince's Day reported |
Monday, November 20, 2023 |
| Immaculate Conception's Day |
Friday, December 8, 2023 |
| Christmas Day |
Monday, December 25, 2023 |
| New Year's Day |
Monday, January 1st, 2024 |
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