London Time - Current Time in London
Current time in London (GMT/BST). Live clock showing exact time in London, UK with time zone information and daylight saving time details.
London Time Zone Information
Time Zone: Greenwich Mean Time
Standard Time: GMT (UTC+0)
Daylight Time: BST (UTC+1)
DST Period: March - October
Current Offset: Loading...
Next DST Change: Loading...
Time Comparison with Other Cities
| City | Current Time | Time Zone | UTC Offset |
|---|---|---|---|
| London | Loading... | GMT/BST | UTC+0/+1 |
| New York | Loading... | EST/EDT | UTC-5/-4 |
| Los Angeles | Loading... | PST/PDT | UTC-8/-7 |
| Tokyo | Loading... | JST | UTC+9 |
| Sydney | Loading... | AEST/AEDT | UTC+10/+11 |
| UTC | Loading... | UTC | UTC+0 |
About London Time
London follows Greenwich Mean Time (GMT), which is the same as Coordinated Universal Time (UTC+0) during standard time and British Summer Time (BST, UTC+1) during daylight saving time. GMT is the time zone from which all other time zones are calculated, making London a global time reference point.
Greenwich Mean Time and British Summer Time
London observes British Summer Time from the last Sunday in March to the last Sunday in October. During this period, clocks are set forward by one hour, making it BST (UTC+1). The rest of the year uses Greenwich Mean Time (GMT, UTC+0). This system has been in place since 1916.
Business Hours in London
Typical business hours in London are 9:00 AM to 5:30 PM, Monday through Friday. The London Stock Exchange operates from 8:00 AM to 4:30 PM GMT/BST on weekdays. London's financial markets are among the most important globally, operating during European trading hours.
Frequently Asked Questions
What time zone is London in?
London is in the Greenwich Mean Time (GMT) zone, which is UTC+0 during standard time and British Summer Time (BST, UTC+1) during daylight saving time. GMT is the global time standard from which all other time zones are calculated.
When does British Summer Time start and end in London?
British Summer Time in London starts on the last Sunday in March (clocks spring forward 1 hour) and ends on the last Sunday in October (clocks fall back 1 hour). During BST, London uses UTC+1.
What is the time difference between London and other major cities?
London is 5 hours ahead of New York (EST), 8 hours ahead of Los Angeles (PST), 9 hours behind Tokyo (JST), and 11 hours behind Sydney (AEST). These differences may vary by 1 hour during daylight saving time transitions.