Of course you all celebrated on Saturday so as not to be coming home drunk on the Monday of Holy Week.
Then there's the godless heathens who celebrated on Saturday and have every intention of celebrating today as well.
It happens but rarely, so take full advantage. Two St. Patrick's Days in one year. Sure it's brilliant.
If you're feeling extra Irish today, here's a little Dolores Keane in the native tongue:
Beanachtai na feile Padraig....and now you can learn how to pronounce it yourself: