Uptown Loop - total duration of the loop is about 2 hours. From April to October, from 8.30 am to 16.45, every 30 minutes, from November to March, from 8.30 to 16.00 every 45 minutes. The first stop of the tour bus - 8th Avenue between 46th and 47th Streets (across the street from Gray Line Visitor Center).
Downtown Loop - total duration of the loop is about 3 hours. From April to October, from 8.00 am to 18.00, every 10-15 minutes, from November to March, from 8.30 am to 17.00 every 30 minutes. The first stop of the tour bus - 8th Avenue between 46th and 47th Streets (across the street from Gray Line Visitor Center).
Night Tour Loop - total duration of the loop is 2.5 hours. The bus leaves every 30 minutes from 18.00 to 21.00 from May to October. Rest of the year - at 18.00, 18.30 and 19.00 (not hop on, hop off, no stops). The bus leaves from Gray Line Visitor Center (777 8th Avenue, between 47th and 48th street on 8th Avenue).
Exact bus schedule will be confirmed when you exchange voucher for tickets at Gray Line Visitor Center as schedule is subject to change.