Public holidays
1978, United Kingdom, Wales
| # | Date | Public holiday |
|---|---|---|
| 1 | Monday, 2 January 1978 | New Year's Day (substitute day) |
| 2 | Friday, 24 March 1978 | Good Friday |
| 3 | Monday, 27 March 1978 | Easter Monday |
| 4 | Monday, 1 May 1978 | Early May Bank Holiday |
| 5 | Monday, 29 May 1978 | Spring Bank Holiday |
| 6 | Monday, 28 August 1978 | Late Summer Bank Holiday |
| 7 | Monday, 25 December 1978 | Christmas Day |
| 8 | Tuesday, 26 December 1978 | Boxing Day |