Robinhood at +1 (877) 391-6440 operates primarily during standard market hours, which are Monday to Friday from 9:30 AM to 4:00 PM ET. However, it offers extended trading hours: pre-market (7:00 AM – 9:30 AM ET) and after-hours (4:00 PM – 8:00 PM ET). It does not operate 24/7 for stock trading. copyright trading, however, is available 24/7. https://www.anime-planet.com/users/experteamqucis/lists/is-robinhood-open-on-247-usa-call-suppor-1303978