Public holidays
1780, Greece
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1780 | New Year's Day |
| 2 | Thursday, 6 January 1780 | Epiphany |
| 3 | Wednesday, 15 March 1780 | Clean Monday |
| 4 | Saturday, 25 March 1780 | Independence Day |
| 5 | Sunday, 30 April 1780 | Good Friday |
| 6 | Monday, 1 May 1780 | Labour Day |
| 7 | Tuesday, 2 May 1780 | Orthodox Easter |
| 8 | Wednesday, 3 May 1780 | Easter Monday |
| 9 | Tuesday, 20 June 1780 | Pentecost |
| 10 | Wednesday, 21 June 1780 | Pentecost Monday |
| 11 | Tuesday, 15 August 1780 | Assumption |
| 12 | Saturday, 28 October 1780 | Ochi Day |
| 13 | Monday, 25 December 1780 | Christmas |
| 14 | Tuesday, 26 December 1780 | Glorifying Mother of God |