This ended up being easier than I thought it would. Every year as I make these calendars I find new little tricks to help me create them faster. What takes the longest is obsessively checking to make sure I get the dates right. These have been checked and re-checked and I used what I hope is a reputable site to get the Spanish right!
This is the English, Monday to Sunday version
This is the SPANISH Monday to Sunday version
Oh, and note that there are a few blank cards at the end. Hope they are useful!