Live Synchronized Time Difference
New YorktoLondonTime Difference
🇺🇸
New York
United States (EDT)11:10:17UTC-4:00
🇬🇧
London
United Kingdom (GMT)15:10:17UTC+0:00
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 New York and London
Active Calling Window Now
New York Time
9:00 AM – 1:00 PM
London Time
1:00 PM – 5:00 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 New York and London.
Work (9am-5pm)ShoulderSleep / Off
| New York Time (United States) | London Time (United Kingdom) | Status & Recommendation |
|---|---|---|
| 00:00AM | 04:00AM | ⚪ Outside Work Hours |
| 01:00AM | 05:00AM | ⚪ Outside Work Hours |
| 02:00AM | 06:00AM | ⚪ Outside Work Hours |
| 03:00AM | 07:00AM | ⚪ Outside Work Hours |
| 04:00AM | 08:00AM | ⚪ Outside Work Hours |
| 05:00AM | 09:00AM | ⚪ Outside Work Hours |
| 06:00AM | 10:00AM | ⚪ Outside Work Hours |
| 07:00AM | 11:00AM | ⚪ Outside Work Hours |
| 08:00AM | 12:00PM | ⚪ Outside Work Hours |
| 09:00AM | 13:00PM | 🟢 Ideal Meeting Window |
| 10:00AM | 14:00PM | 🟢 Ideal Meeting Window |
| 11:00AM | 15:00PM | 🟢 Ideal Meeting Window |
| 12:00PM | 16:00PM | 🟢 Ideal Meeting Window |
| 13:00PM | 17:00PM | 🟡 Feasible (Shoulder Hour) |
| 14:00PM | 18:00PM | 🟡 Feasible (Shoulder Hour) |
| 15:00PM | 19:00PM | 🟡 Feasible (Shoulder Hour) |
| 16:00PM | 20:00PM | 🟡 Feasible (Shoulder Hour) |
| 17:00PM | 21:00PM | ⚪ Outside Work Hours |
| 18:00PM | 22:00PM | ⚪ Outside Work Hours |
| 19:00PM | 23:00PM | ⚪ Outside Work Hours |
| 20:00PM | 00:00AM | ⚪ Outside Work Hours |
| 21:00PM | 01:00AM | ⚪ Outside Work Hours |
| 22:00PM | 02:00AM | ⚪ Outside Work Hours |
| 23:00PM | 03:00AM | ⚪ Outside Work Hours |
Frequently Asked Questions
What is the time difference between New York and London?
London is 4 hours ahead of New York.
What is the best time to schedule a cross-border meeting between New York and London?
There are 4 overlapping standard business hours (09:00 - 17:00) between New York and London. The optimal window is when both parties are in their core working shifts.
Does daylight saving time (DST) affect the time difference between New York and London?
Yes. If either United States or United Kingdom observes seasonal Daylight Saving Time transitions, the offset difference shifts by one hour on scheduled transition dates.