What is daylight saving time?Daylight Saving Time

The US moves clocks forward 1 hour on the second Sunday of March and back on the first Sunday of November. The US opening time doesn't change, but in Asian time it shifts by 1 hour.

Learn “daylight saving time” in an animated lesson

US Stock Rules
Pre-market, Regular Hours and After-Hours
Regular US trading hours are 9:30–16:00 Eastern Time, with pre-market and after-hours sessions on either side; converted to Asian time, daylight saving and standard time differ by 1 hour.

Related terms

spread
limit order
call auction
continuous trading
trading hours
extended-hours trading

See how “daylight saving time” works for yourself with an animation you can drag and play.

Go to “Pre-market, Regular Hours and After-Hours”