London, United Kingdom Hanoi, Vietnam
Compare time between London and Hanoi
Frequently Asked Questions
London is in the BST timezone (UTC+1) and Hanoi is in the +07 timezone (UTC+7). The time difference between them is 6 hours.
Use the timeline above to find overlapping business hours between London and Hanoi. The "Best time to meet" card highlights the window where both cities are within working hours (9 AM – 6 PM local time).
London observes Daylight Saving Time, while Hanoi does not. When DST is active in London, the time difference changes by 1 hour.
Click the pencil icon next to the London clock and type any time. The Hanoi clock will update instantly, showing the exact corresponding time. You can also pick a date to account for DST changes.