What time in the UK does the NYSE open?

The New York Stock Exchange (NYSE) opens at 9:30 AM Eastern Time. Since the UK is usually 5 hours ahead of Eastern Time during standard time, the NYSE opens at 2:30 PM UK time. However, during Daylight Saving Time in the UK (from late March to late October), the difference is 4 hours, making the opening time 1:30 PM UK time.