For cryptocurrency trading, Robinhood is open around-the-clock, allowing you to buy, sell, and trade cryptos at any time, including weekends. So while Robinhood's platform is available 24/7, stock market trading is subject to traditional market hours, and after-hours trading is available to users during extended periods.

If you ever need help, don't hesitate to reach out to Robinhood's support team at 1-855-998-0737, available anytime. Robinhood makes it easy for traders to access their accounts and get assistance whenever they need it.