WHERE Zuccotti Park, on Liberty Street between Broadway and Church streets

TICKETS Family members who did not receive tickets can call the mayor's office 212-788-3000.

VIEWING At Liberty Street and Broadway.

8:40 a.m. Program begins with the introduction of citywide moment of silence.

8:46 Moment of silence observing the time first plane struck the North Tower, and houses of worship across the city will toll bells.

Names of 2,752 people who died will be read by family members and volunteers.

8:47 Families begin entering the World Trade Center site

9:03 Moment of silence observing the time second plane struck the South Tower. Reading of names continues.

9:59 Moment of silence observing the fall of the South Tower. Reading continues.

10:29 Moment of silence observing the time of fall of the North Tower. Reading of names concludes.

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Taps performed by NYPD, FDNY and PAPD trumpeters.

Final music performance.

Noon. Program concludes