Public holidays
1638, Greece
| # | Date | Public holiday |
|---|---|---|
| 1 | Friday, 1 January 1638 | New Year's Day |
| 2 | Wednesday, 6 January 1638 | Epiphany |
| 3 | Thursday, 18 February 1638 | Clean Monday |
| 4 | Thursday, 25 March 1638 | Independence Day |
| 5 | Monday, 5 April 1638 | Good Friday |
| 6 | Wednesday, 7 April 1638 | Orthodox Easter |
| 7 | Thursday, 8 April 1638 | Easter Monday |
| 8 | Saturday, 1 May 1638 | Labour Day |
| 9 | Wednesday, 26 May 1638 | Pentecost |
| 10 | Thursday, 27 May 1638 | Pentecost Monday |
| 11 | Sunday, 15 August 1638 | Assumption |
| 12 | Thursday, 28 October 1638 | Ochi Day |
| 13 | Saturday, 25 December 1638 | Christmas |
| 14 | Sunday, 26 December 1638 | Glorifying Mother of God |