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Time Zone
GMT/BST
UTC Offset
UTC 0/+1
Population
9 million
Current Local Time in London
London is a leading global city and financial center. It uses Greenwich Mean Time (GMT) in winter and British Summer Time (BST) in summer, making it the reference point for world time zones.
Time Zone Information
London uses the GMT/BST time zone, which is UTC 0/+1. The city observes Daylight Saving Time, shifting clocks forward in spring and back in fall.
When to Call London
If you are scheduling a call or meeting with someone in London, consider these general business hours:
- Standard business hours: 9:00 AM - 6:00 PM local time
- Best time for international calls: 10:00 AM - 4:00 PM local time
- Avoid calling: Before 8:00 AM or after 9:00 PM local time
Quick Time Conversions
Use our Time Difference Calculator to convert London time to your local time zone, or check our World Time tool to see multiple cities at once.
What time zone is London in?
London is in the GMT/BST time zone, which is UTC 0/+1.
Does London observe Daylight Saving Time?
Yes, London observes Daylight Saving Time. Clocks move forward one hour in spring and back one hour in fall.
What is the time difference between London and New York?
Use our Time Difference Calculator to get the exact current difference, as it may vary during Daylight Saving Time transitions.