Public holidays
1803, Monaco
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1803 | New Year's Day |
| 2 | Thursday, 27 January 1803 | Saint Devota's Day |
| 3 | Monday, 11 April 1803 | Easter Monday |
| 4 | Sunday, 1 May 1803 | Labour Day |
| 5 | Monday, 2 May 1803 | Labour Day |
| 6 | Thursday, 19 May 1803 | Ascension Day |
| 7 | Monday, 30 May 1803 | Whit Monday |
| 8 | Thursday, 9 June 1803 | Corpus Christi |
| 9 | Monday, 15 August 1803 | Assumption of Mary |
| 10 | Tuesday, 1 November 1803 | All Saints' Day |
| 11 | Saturday, 19 November 1803 | Feast of H.S.H. the Sovereign Prince |
| 12 | Thursday, 8 December 1803 | Feast of the Immaculate Conception |
| 13 | Sunday, 25 December 1803 | Christmas Day |
| 14 | Monday, 26 December 1803 | Christmas Day |