It's that time of year again when more than a million green-clad revelers fill the streets of America’s most Irish big city for the South Boston St. Patrick’s Day parade, celebrating the heritage and contributions of all those who hail from the Emerald Isle.

With St. Patrick’s Day celebrations picking up around the United States, here is what you need to know about this year’s Boston St. Patrick’s Day parade.

What time does Boston's St. Patrick's Day Parade start? The parade kicks off at 11:30 a.m. The time was moved up from the usual start time of 1 p.m. in an attempt to cut down on t