Wanderlust World Wanderlust World The time difference between New York (Eastern Time) and London (Greenwich Mean Time / British Summer Time) is 5 hours during standard time and 4 hours during daylight saving time.
| Period | New York | London | Difference |
|---|---|---|---|
| Early Nov – Mid Mar (Standard) | EST (UTC−5) | GMT (UTC+0) | 5 hours |
| Mid Mar – Early Nov (DST) | EDT (UTC−4) | BST (UTC+1) | 4 hours |
Example: When it's 12:00 PM in New York in January, it's 5:00 PM in London. In July, 12:00 PM in New York = 4:00 PM in London.
Note: The US and UK switch to/from daylight saving on different dates (second Sunday in March / first Sunday in November for US; last Sunday in March / last Sunday in October for UK), creating brief 4- or 5-hour transition windows.