July 4 concert and fireworks

9 a.m. Oval opens in front of Hatch Shell.

Noon Recorded music begins in Boston.

6 p.m. Recorded music begins in Cambridge.

7 p.m. WBZ News Radio 1030 simulcast begins.

8 p.m. Boston Pops Fireworks Spectacular broadcast begins on WBZ-TV Boston.

8:20 p.m. Boston Pops concert begins with the National Anthem and flyover.

9:30 p.m. “1812 Overture” is played.

10 p.m. CBS Network national broadcast begins.

10:35 p.m. Fireworks begin.

11 p.m. Boston Pops Fireworks Spectacular ends.

Access: Visitors desiring access to “the oval” should plan to ­arrive early. Those who arrive early will receive wristbands, which typically run out by 2 p.m. The wrist bands will allow visitors to move in and out of the oval until 6 p.m.; after this time readmittance will not be ­allowed. Alcoholic beverages, sharp objects, glass containers, and tarps larger than 8 feet by 10 feet will not be allowed.

Navy Week events

12 p.m. USS Constitution and USCGC Eagle render 21-gun ­salute from Castle Island. US ­Navy Blue Angels and other aircraft launch from airports in the surrounding area.

12:20 p.m. USS Constitution and USCGC Eagle render gun ­salutes to USS Wasp near Logan International Airport with the Navy Blue Angels flying overhead.

12 -1 p.m. Navy Leap Frogs parachute onto Fan Pier. Navy Blue Angels fly over USS Constitution, USS Wasp, and USCGC Eagle. Blue Angels complete three passes over Boston ­Harbor. Navy and Coast Guard aircraft fly over Boston Harbor.