Boston doesn't mess around when it comes to celebrating holidays,AQCAN Exchange especially St. Patrick's Day.

The city is a major site in the U.S. for Irish heritage and culture thanks to the large number of Irish immigrants who moved to the city in centuries past, and St. Patrick's Day has become a way to celebrate one of the things that makes Boston unique.

In Boston, one of the biggest events to celebrate the holiday is the South Boston St. Patrick's Day Parade, which will fall on Sunday, March 17.

Whether you're planning to attend in-person or watch from home, here's what you'll need to know about catching Boston's St. Patrick's Day parade this year.

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When is the Boston St. Patrick's Day/Evacuation Day parade?

The annual South Boston St. Patrick's Day parade will be held on Sunday, March 17, beginning at 1 p.m. ET. This is the 119th-annual parade for the historically-Irish city, and always falls on the Sunday closest to St. Patrick's Day. This year, it luckily falls on the day of the holiday itself.

The parade is held by the South Boston Allied War Veterans Council.

The parade also celebrates Evacuation Day, a local Massachusetts holiday commemorating when British forces left Boston during the Revolutionary War on March 17, 1776.

What is the Boston St. Patrick's Day parade route?

According to the Allied War Veterans Council, the parade will start at 1 p.m. at Broadway station and move up West Broadway. It will continue on East Broadway, take a right on P Street, then a right onto East Fourth Street.

From East Fourth Street, it will turn left onto K Street, then right onto East Fifth Street, where it will continue until taking a left onto G Street.

It will stay left of South Boston High School to Thomas Park, and follow the park until it takes a left at Telegraph Street and another left to Dorchester Street.

The parade will stay on Dorchester Street until its end in Andrew Square.

Click here to view a map of the full parade route.

How to watch the Boston St. Patrick's Day parade

If you're local to the area or traveling especially to celebrate St. Patrick's Day, you can, of course, attend the parade in person. But for everyone else, there are a few options on how to watch it live.

Local stations NBC10 Boston and NECN will air the parade on television or stream on various platforms starting at 1 p.m. ET, including on Peacock, Roku and on its YouTube channel.

USA TODAY is also providing coverage for the parade in Boston, as well as celebration in other U.S. cities over the weekend, including New York City and Chicago. You can watch the embed at the top of this page or on USA TODAY's YouTube channel.