London to New York Time Difference
New York is 5 hours behind London. When it is noon in London, it is 07:00 in New York.
London (UTC+1) → New York (UTC-4)
London (GMT/BST) is 4–5 hours ahead of New York (EST/EDT). The NYSE opens at 9:30 AM ET (2:30 PM London time), creating a 1.5–2 hour window each afternoon where both the London and New York markets are simultaneously active — the peak of global equity trading volume.
🕐 Interactive Time Explorer
When it's 23:00 in London, it's 18:00 in New York
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
London & New York✓ Perfect Match (3 hours)
◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
5,570 km
Est. Flight Time
~7.6h
Time Difference
-5h
Work Hours Overlap
3h
Limited
🔴 Office Closed
Today 14:00
14:00 - 17:00
⏰ Quick Conversion
06:00
London
01:00
New York
09:00
London
04:00
New York
12:00
London
07:00
New York
15:00
London
10:00
New York
18:00
London
13:00
New York
21:00
London
16:00
New York
00:00
London
19:00
New York (-1)
03:00
London
22:00
New York (-1)
Frequently Asked Questions
How many hours is London ahead of New York?
New York is 5 hours behind London. When it is 12:00 noon in London, it is 07:00 in New York. London operates on Europe/London (UTC+1), while New York uses America/New York (UTC-4).
What is the best time to call New York from London?
There are 4 hours of overlapping business time (9 AM–5 PM) between London and New York. The best window is 14:00–18:00 London time (09:00–13:00 in New York).
Does the London to New York time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between London and New York
The distance between London and New York is approximately 5,570 km. A direct flight typically takes around 7.6 hours. Your arrival clock will show local New York time — use our Flight Time Calculator to predict exact arrival times.