Sports betteing in New York begins Saturday at 8:00 a.m. Caesars Sportsbook, DraftKings, FanDuel and Rush Street Interactive are approved to operate while the remaining five conditionally licensed Mobile Sports Wagering Operators will be approved on a rolling basis when requirements are met.
Source:
https://www.gaming.ny.gov/pdf/MSW%20Launch%20Statement%20010622.pdf