New York to London Time Difference
London is 5 hours ahead of New York. When it is noon in New York, it is 17:00 in London.
New York (UTC-4) → London (UTC+1)
New York (EST/EDT) is 4–5 hours behind London (GMT/BST). Both cities observe DST but on slightly different schedules, creating a brief period each spring when the gap is 5 hours. The most active window for both the NYSE and LSE occurs when New York opens at 9:30 AM ET — then 2:30 PM in London.
🕐 Interactive Time Explorer
When it's 23:00 in New York, it's 04:00 in London
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
New York & London✓ 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
Tomorrow 09:00
09:00 - 12:00
⏰ Quick Conversion
06:00
New York
11:00
London
09:00
New York
14:00
London
12:00
New York
17:00
London
15:00
New York
20:00
London
18:00
New York
23:00
London
21:00
New York
02:00
London (+1)
00:00
New York
05:00
London
03:00
New York
08:00
London
Frequently Asked Questions
How many hours is New York behind London?
London is 5 hours ahead of New York. When it is 12:00 noon in New York, it is 17:00 in London. New York operates on America/New York (UTC-4), while London uses Europe/London (UTC+1).
What is the best time to call London from New York?
There are 3 hours of overlapping business time (9 AM–5 PM) between New York and London. The best window is 09:00–12:00 New York time (14:00–17:00 in London).
Does the New York to London 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 New York and London
The distance between New York and London is approximately 5,570 km. A direct flight typically takes around 7.6 hours. Your arrival clock will show local London time — use our Flight Time Calculator to predict exact arrival times.