Here are some the highlights of the day's timeline:
Noon ET -- Block party begins on Citizens Bank Way.
12:35 p.m. -- Gates open. Fans receive a commemorative cap.
12:43 p.m. -- Phillies take batting practice.
2:13 p.m. -- The Phillies begin their walk into the ballpark from 10th Street, just outside center field.
2:22 p.m. -- The Phillies enter the park.
2:50 p.m. -- Kane Kalas, son of Harry Kalas, sings the national anthem.
2:53 p.m. -- The United States Navy Parachute Team, the Leap Frogs, parachute onto the field delivering the first balls.
3 p.m. -- Philadelphia police officer Jesse Hartnett, 33, throws out a first pitch. Hartnett was shot three times while on duty. President Obama called him a hero in his last State of the Union Address.
3:05 p.m. -- First pitch.
Todd Zolecki is a reporter for MLB.com. Read his Phillies blog The Zo Zone, follow him on Twitter and listen to his podcast. This story was not subject to the approval of Major League Baseball or its clubs.