Public holidays
1667, Bulgaria
| # | Date | Public holiday |
|---|---|---|
| 1 | Saturday, 1 January 1667 | New Year's Day |
| 2 | Monday, 3 January 1667 | New Year's Day |
| 3 | Thursday, 3 March 1667 | National day |
| 4 | Sunday, 1 May 1667 | Labour Day |
| Monday, 2 May 1667 | Labour Day (observance) | |
| 5 | Friday, 6 May 1667 | St. George's Day |
| 6 | Tuesday, 24 May 1667 | Culture and Literacy Day |
| 7 | Tuesday, 6 September 1667 | Unification Day |
| 8 | Thursday, 22 September 1667 | Independence Day |
| 9 | Saturday, 24 December 1667 | Christmas Eve |
| 10 | Sunday, 25 December 1667 | Christmas Day |
| 11 | Monday, 26 December 1667 | Boxing day |
| Tuesday, 27 December 1667 | Christmas Day (observance) | |
| Wednesday, 28 December 1667 | Christmas Day (observance) |