Live Synchronized Time Difference
LondontoNew YorkTime Difference
🇬🇧
London
United Kingdom (GMT)15:10:17UTC+0:00
🇺🇸
New York
United States (EDT)11:10:17UTC-4:00
Direct Distance5,570 km (3,461 miles)
Estimated Flight Time~7.1 hours
Business Overlap4 overlapping hours (9am–5pm)
Mutual Working Window: 4 Overlapping Hours
Recommended calling window between London and New York
Active Calling Window Now
London Time
1:00 PM – 5:00 PM
New York Time
9:00 AM – 1:00 PM
Both locations share 4 overlapping standard business hours (9:00 AM – 5:00 PM). This is the premier window for real-time video conferences, corporate calls, and instant collaboration without outside-hours disruption.
24-Hour Schedule Conversion Matrix
Compare every hour of the day between London and New York.
Work (9am-5pm)ShoulderSleep / Off
| London Time (United Kingdom) | New York Time (United States) | Status & Recommendation |
|---|---|---|
| 00:00AM | 20:00PM-1 day | ⚪ Outside Work Hours |
| 01:00AM | 21:00PM-1 day | ⚪ Outside Work Hours |
| 02:00AM | 22:00PM-1 day | ⚪ Outside Work Hours |
| 03:00AM | 23:00PM-1 day | ⚪ Outside Work Hours |
| 04:00AM | 00:00AM | ⚪ Outside Work Hours |
| 05:00AM | 01:00AM | ⚪ Outside Work Hours |
| 06:00AM | 02:00AM | ⚪ Outside Work Hours |
| 07:00AM | 03:00AM | ⚪ Outside Work Hours |
| 08:00AM | 04:00AM | ⚪ Outside Work Hours |
| 09:00AM | 05:00AM | ⚪ Outside Work Hours |
| 10:00AM | 06:00AM | ⚪ Outside Work Hours |
| 11:00AM | 07:00AM | 🟡 Feasible (Shoulder Hour) |
| 12:00PM | 08:00AM | 🟡 Feasible (Shoulder Hour) |
| 13:00PM | 09:00AM | 🟢 Ideal Meeting Window |
| 14:00PM | 10:00AM | 🟢 Ideal Meeting Window |
| 15:00PM | 11:00AM | 🟢 Ideal Meeting Window |
| 16:00PM | 12:00PM | 🟢 Ideal Meeting Window |
| 17:00PM | 13:00PM | ⚪ Outside Work Hours |
| 18:00PM | 14:00PM | ⚪ Outside Work Hours |
| 19:00PM | 15:00PM | ⚪ Outside Work Hours |
| 20:00PM | 16:00PM | ⚪ Outside Work Hours |
| 21:00PM | 17:00PM | ⚪ Outside Work Hours |
| 22:00PM | 18:00PM | ⚪ Outside Work Hours |
| 23:00PM | 19:00PM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between London and New York?
New York is 4 hours behind London.
What is the best time to schedule a cross-border meeting between London and New York?
There are 4 overlapping standard business hours (09:00 - 17:00) between London and New York. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between London and New York?
Yes. If either United Kingdom or United States observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.