Time zone in London: Greenwich Mean Time (GMT) / British Summer Time (BST)
Right now the local time in London is UTC+0 (GMT). London observes daylight saving time. In 2026, clocks change to UTC+1 on March 29 and to UTC+0 on October 25.
Time difference between London and the U.S.
The table shows how many hours each place is ahead of or behind London right now, and what time it is there when it is 9:00 AM in London. Differences can change by one hour when daylight saving time starts or ends.
| Place | Difference | When it's 9:00 AM in London |
|---|---|---|
| New York | 5 hours behind | 4:00 AM |
| Chicago | 6 hours behind | 3:00 AM |
| Denver | 7 hours behind | 2:00 AM |
| Phoenix | 7 hours behind | 2:00 AM |
| Los Angeles | 8 hours behind | 1:00 AM |
| Anchorage | 9 hours behind | 12:00 AM |
| Honolulu | 10 hours behind | 11:00 PM (previous day) |
Best time to call London from the U.S.
To reach someone in London between 8:00 AM and 10:00 PM their time, call between 3:00 AM and 5:00 PM New York time, or between 12:00 AM and 2:00 PM Los Angeles time.
U.S. stock market hours in London (local time)
The New York Stock Exchange (NYSE) and Nasdaq are open from 9:30 AM to 4:00 PM Eastern Time, Monday to Friday, except market holidays. In London that is from 2:30 PM to 9:00 PM. See the opening hours of other world markets on our World clock.
Frequently asked questions
What time zone is London in?
London uses Greenwich Mean Time (GMT) / British Summer Time (BST), which is UTC+0 right now. London observes daylight saving time. In 2026, clocks change to UTC+1 on March 29 and to UTC+0 on October 25.
Does London have daylight saving time?
Yes. In 2026, clocks change to UTC+1 on March 29 and to UTC+0 on October 25.
What is the time difference between London and New York?
London is 5 hours ahead of New York right now.
What is the calling code for London?
The country calling code is +44. To call London from the U.S., dial 011, then 44, then the local number.
How much is 1 U.S. dollar in London?
See today's exchange rate on our USD to GBP converter.