Días feriados
1661, United Kingdom, Northern Ireland
| # | Fecha | Día feriado |
|---|---|---|
| 1 | Lunes, 3 Enero 1661 | New Year's Day (substitute day) |
| 2 | Jueves, 17 Marzo 1661 | St. Patrick's Day |
| 3 | Viernes, 15 Abril 1661 | Good Friday |
| 4 | Lunes, 18 Abril 1661 | Easter Monday |
| 5 | Lunes, 30 Mayo 1661 | Spring Bank Holiday |
| 6 | Martes, 12 Julio 1661 | Orangemen's Day |
| 7 | Lunes, 29 Agosto 1661 | Late Summer Bank Holiday |
| 8 | Lunes, 26 Diciembre 1661 | Boxing Day |
| 9 | Martes, 27 Diciembre 1661 | Christmas Day (substitute day) |