Public holidays
1664, Estonia
| # | Date | Public holiday |
|---|---|---|
| 1 | Tuesday, 1 January 1664 | New Year's Day |
| 2 | Sunday, 24 February 1664 | Independence Day |
| 3 | Friday, 11 April 1664 | Good Friday |
| 4 | Sunday, 13 April 1664 | Easter |
| 5 | Thursday, 1 May 1664 | Spring Day |
| 6 | Sunday, 1 June 1664 | Pentecost |
| 7 | Monday, 23 June 1664 | Victory Day |
| 8 | Tuesday, 24 June 1664 | Midsummer Day |
| 9 | Wednesday, 20 August 1664 | Independence Restoration Day |
| 10 | Wednesday, 24 December 1664 | Christmas Eve |
| 11 | Thursday, 25 December 1664 | Christmas Day |
| 12 | Friday, 26 December 1664 | Second Day of Christmas |