Public holidays
1661, Netherlands, National holidays
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1661 | New Year's Day |
| 2 | Friday, 15 April 1661 | Good Friday |
| 3 | Sunday, 17 April 1661 | Easter Sunday |
| 4 | Monday, 18 April 1661 | Easter Monday |
| 5 | Thursday, 26 May 1661 | Ascension Day |
| 6 | Sunday, 5 June 1661 | Pentecost Sunday |
| 7 | Monday, 6 June 1661 | Pentecost Monday |
| 8 | Sunday, 25 December 1661 | Christmas Day |
| 9 | Monday, 26 December 1661 | Boxing Day |