Public holidays
1657, Greece
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 1 January 1657 | New Year's Day |
| 2 | Saturday, 6 January 1657 | Epiphany |
| 3 | Thursday, 22 February 1657 | Clean Monday |
| 4 | Sunday, 25 March 1657 | Independence Day |
| 5 | Monday, 9 April 1657 | Good Friday |
| 6 | Wednesday, 11 April 1657 | Orthodox Easter |
| 7 | Thursday, 12 April 1657 | Easter Monday |
| 8 | Tuesday, 1 May 1657 | Labour Day |
| 9 | Wednesday, 30 May 1657 | Pentecost |
| 10 | Thursday, 31 May 1657 | Pentecost Monday |
| 11 | Wednesday, 15 August 1657 | Assumption |
| 12 | Sunday, 28 October 1657 | Ochi Day |
| 13 | Tuesday, 25 December 1657 | Christmas |
| 14 | Wednesday, 26 December 1657 | Glorifying Mother of God |