Japan
United Kingdom
Tokyo to London Time Difference
London is 8 hours behind Tokyo
Tokyo vs London — At a Glance
Tokyo to London — Hour-by-Hour
About Tokyo and London
Tokyo (population: 13.9M) is known for the world's largest metropolitan economy, Shibuya Crossing, anime culture, and Toyota. London (population: 8.8M) is known for global finance, the City of London, Buckingham Palace, and the world's oldest underground railway.
Business Hours Overlap
Tokyo and London are both global financial centers. When Tokyo's market closes, London's is yet to open, creating a relay pattern common in 24-hour trading.
Calling Between Cities
When calling London (+44) from Tokyo (+81), be mindful of the 8-hour gap. The safest window is late afternoon in Tokyo (4–6 PM) to reach people during waking hours.
Currency
Tokyo uses JPY while London uses GBP. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Tokyo primarily speaks Japanese, while London speaks English. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Tokyo and London visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Tokyo and London?
London, United Kingdom is 8 hours behind Tokyo, Japan. Tokyo is in the Asia/Tokyo timezone (UTC+9) and London is in the Europe/London timezone (UTC+1).
When it's noon in Tokyo, what time is it in London?
When it's 12:00 PM (noon) in Tokyo, it's 4:00 AM in London.
What is the best time to call London from Tokyo?
The best time to call London from Tokyo is during the overlapping business hours. When it's 9 AM in Tokyo, it's 1:00 AM in London. Aim for late morning to early afternoon in Tokyo for the best chance of reaching someone during working hours.
What currency does London use?
London, United Kingdom uses GBP. Tokyo uses JPY. You will need to check the current exchange rate for transactions between the two.
What language is spoken in London?
The primary language in London is English. English is widely used for international business communication.
How do I dial London from Tokyo?
To call London from Tokyo, dial your international access code followed by +44 and the local number. Tokyo uses country code +81 and London uses +44.