Saint Gregory the Great Children's Carnival Saturday, March 23, 2019 10:00 AM 4:00 PM 10:00 16:00 Saint Gregory the Great 94 Broadway Harrison, NY, 10528 United States (map) Google Calendar ICS Theme: Winter is “Snow Much Fun”Rides, food, carnival games, and more. Free admission. Tickets for rides and games available. Click here for more info. Rain date 3/24.