Day Date Month Holiday
Sunday 01 Jan New Year's Day
Monday 02 Jan New Year's Day
Friday 06 Jan Epiphany
Friday 14 Apr Good Friday
Monday 01 May Labor Day / May Day
Tuesday 15 Aug Assumption of Mary
Thursday 12 Oct Hispanic Day
Wednesday 01 Nov All Saints' Day
Wednesday 06 Dec Constitution Day
Friday 08 Dec Immaculate Conception
Monday 25 Dec Christmas Day
Source: https://www.timeanddate.com/holidays/spain/2017#!hol=9