United Kingdom Time Zone Guide
London, the capital of the United Kingdom, is one of the world's leading financial centers, and much of global banking and stock-market activity is scheduled around London time. The live clock at the top of this page is based on this city.
United Kingdom uses a single time zone nationwide, based on London; this zone observes daylight saving time.
You can see the current time difference from Istanbul in the live clock above, which is useful when planning an international call or meeting.