Working-hour overlap
When both cities are at work
9:00–12:00 in New York overlaps with 14:00–17:00 in London.
Time converter
New York to London
United States
New York
3:5139
Sunday, 18 October 2026GMT-4 · UTC−4
United Kingdom
London
8:5139
Sunday, 18 October 2026BST · UTC+1
Working together
The useful part of the difference
One of the world’s busiest business, media and family calling routes.
Calendar boundary
Check the date, not just the hour
At 09:00 in New York, London is on the same calendar date.
Daylight saving time
The gap can move during the year
The usual gap is stable in the January and July reference dates at 5 hours ahead.