United States
United Kingdom
Houston to London Time Difference
London is 6 hours ahead of Houston
Houston vs London — At a Glance
Houston to London — Hour-by-Hour
About Houston and London
Houston (population: 2.3M) is known for NASA's Johnson Space Center, energy sector capital, and the Texas Medical Center. 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
The best window for business calls between Houston and London is 3:00 PM–5:00 PM Houston time (9:00 AM–11:00 AM in London).
Calling Between Cities
When calling London (+44) from Houston (+1), be mindful of the 6-hour gap. The safest window is early morning in Houston (8–10 AM) to reach people during waking hours.
Currency
Houston uses USD while London uses GBP. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Houston and London share English as a common language, which simplifies business communication.
Use our world clock tool to compare Houston and London visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Houston and London?
London, United Kingdom is 6 hours ahead of Houston, United States. Houston is in the America/Chicago timezone (UTC-5) and London is in the Europe/London timezone (UTC+1).
When it's noon in Houston, what time is it in London?
When it's 12:00 PM (noon) in Houston, it's 6:00 PM in London.
What is the best time to call London from Houston?
The best time to call London from Houston is during the overlapping business hours. When it's 9 AM in Houston, it's 3:00 PM in London. Aim for late morning to early afternoon in Houston for the best chance of reaching someone during working hours.
What currency does London use?
London, United Kingdom uses GBP. Houston uses USD. 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. Houston also speaks English, making communication easier.
How do I dial London from Houston?
To call London from Houston, dial your international access code followed by +44 and the local number. Houston uses country code +1 and London uses +44.
