Time in London, United Kingdom
London, United Kingdom is on UK time (BST): UTC+1 on Oct 23, 2026. It uses UTC±0 in winter and UTC+1 in summer; the next change is Oct 25, 2026.
Daylight saving time in London
- Oct 25, 2026: clocks go back 1 hour at 2:00 AM (UTC+1 → UTC±0)
- Mar 28, 2027: clocks go forward 1 hour at 1:00 AM (UTC±0 → UTC+1)
London business hours around the world
9 AM to 5 PM in London is 8:00 AM–4:00 PM UTC on Oct 23, 2026.
| City | Difference | 9:00 AM in London is |
|---|---|---|
| New York | 5 hours behind | 4:00 AM |
| Los Angeles | 8 hours behind | 1:00 AM |
| Paris | 1 hour ahead | 10:00 AM |
| Mumbai | 4 hours 30 minutes ahead | 1:30 PM |
| Singapore | 7 hours ahead | 4:00 PM |
| Tokyo | 8 hours ahead | 5:00 PM |
| Sydney | 10 hours ahead | 7:00 PM |
Cities on the same clock as London
Convert GMT (London) to other zones
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- GMT to AKST
- GMT to HST
Questions
What time zone is London in?
London uses the IANA time zone Europe/London, known as UK time (GMT/BST). It is UTC±0 in winter and UTC+1 in summer.
Does London observe daylight saving time?
Yes. Oct 25, 2026: clocks go back 1 hour at 2:00 AM (UTC+1 → UTC±0). Mar 28, 2027: clocks go forward 1 hour at 1:00 AM (UTC±0 → UTC+1).
What is the time difference between London and New York?
On Oct 23, 2026, New York is 5 hours behind London. 9:00 AM in London is 4:00 AM in New York.
What are business hours in London in UTC?
On Oct 23, 2026, 9 AM to 5 PM in London is 8:00 AM–4:00 PM UTC.
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Computed from the IANA time zone database on Oct 23, 2026. Live clocks and the converter use your browser's copy of the same data.