When Is St Patrick'S Day In Canada. Saint patrick's day was made an official christian feast day in the early 17th century and is observed by the cat… Patrick's day is celebrated as a national holiday and is the feast day of the patron saint in ireland, falling on march 17 every year.

Patrick’s day takes place on the same date each year, march 17th, the day of the week varies. This is believed to be the day that st.