St. Patrick's Day, March 17, remembers the patron saint of Ireland. In the US it is celebrated with parades, green clothing and Irish music, most famously in New York, Boston and Chicago.
No. St. Patrick's Day is not a federal holiday in the US, so government offices, banks and schools follow their normal schedule unless they choose otherwise.
When is St. Patrick's Day 2009?
St. Patrick's Day 2009 falls on Tuesday, March 17.
Why does the date of St. Patrick's Day change each year?
The date stays the same; only the weekday moves. A common year has 52 weeks and one day, so a fixed date moves one weekday later each year, and two after February 29.