April 15, 2016 3:10 pm Boston Observes a Moment of Silence at 2:49 p.m. The City of Boston observed a moment of silence on Friday afternoon at 2:49 p.m. The first bomb went off at the Boston Marathon at 2:49 p.m. on April 15, 2013. US & World Videos 1:54 Everett siblings are Harvard-bound 2:56 New planet discoveries lead to new questions for MIT astronomers 3:25 Principal dancer bids farewell to Boston Ballet 12:05 Heart monitors of the future could be peel-and-stick like temporary tattoos 0:30 Speak now: Sebastián Agudelo
