What time does the stock market open?
The US stock market hours open at 9:30AM EST (Eastern Standard Time) and close at 4:00PM (16:00) EST.
The stock market is open technically from Monday to Friday only, however after-hours trades can occur outside of this timeframe and on weekends. These times are what is referred to as the stock market premarket or postmarket.
You can check out the market action live at finance.yahoo.com and search for live ticker prices there.
Is the stock market closed today?
Here is a list of all NYSE market closures for holidays for 2021, 2022, and 2023: