As every March 19, in Spain, Father's Day is celebrated, a tradition that nevertheless the labor calendar does not collect as a national holiday "not replaceable". Therefore, there are several regions that during that day is not festive. Specifically, only 6 of the 17 autonomous communities that our country has marked March 19 as non-school. These are Galicia, Murcia, Navarra, Basque Country, Valencian Community and Catalonia, as they have indicated in the work calendar of this year.
The labor calendar of this includes a total of 12 holidays, of which 8 are held jointly in Spain. In particular, the 8 "non-replaceable" national holidays by the autonomous communities are: January 1 (Tuesday), April 19 (Good Friday), May 1 (Wednesday), August 15 (Thursday), October 12 (Saturday), November 1 (Friday), 6 December (Friday) and December 25 (Wednesday).
Thus, March 19 is not a national holiday "not substitutable", so if the regions want to declare it as non-school should replace it for another day. This, for example, is what happens in Catalonia and the Valencian Community, which have decided declare as school the day of Holy Thursday (April 18) and that Father's Day is a holiday.
For its part, in Galicia, Murcia, Navarra and the Basque Country have decided to move this year the day of the Immaculate. As December 8 is this year Sunday, the holiday is moved to the next day, Monday December 9. For this reason, that day has been declared a "substitutable" holiday. Another days