Under the current law a Solemnity, like the Annunciation, exempts from Friday abstinence, even on Lenten Fridays. It doesn't matter if it's a day of obligation or not, just if it is a Solemnity.
Feasts of the equivalent rank under the 1917 Code exempted from Friday abstinence, except for Lenten Fridays.
My 1964 prayer book specifically says that if St. Patrick's Day falls on a fast day then there is no abstinence. That must have been the law in New Zealand before the modern fasting rules were introduced.
What about fasting under the 1917 Code? Do feasts of the equivalent rank (Double of the 1st Class) exempt from the Lenten fast? I don't have a problem with eating fish and chips for dinner tomorrow but I'd like to know if the old rules oblige me to fast or not on this day (which would also mean I can have the things I'm giving up for Lent)? It'd be good if I didn't have to fast as then I could have a proper lunch.
By the way, are chicken or beef flavoured noodles allowed on days of abstinence? I know they don't have any flesh meat in them, but are flavourings forbidden or not?
In regards to St. Patrick's day, I think in certain places there was an indult given by Pius XII exempting one from Lenten fast and abstinence.
My 1964 prayer book specifically says that if St. Patrick's Day falls on a fast day then there is no fast. That must have been the law in New Zealand before the modern fasting rules were introduced. I didn't fast this year on St. Patrick's Day.