Portugal
United States
Lisbon to Houston Time Difference
Houston is 6 hours behind Lisbon
Lisbon vs Houston — At a Glance
Lisbon to Houston — Hour-by-Hour
About Lisbon and Houston
Lisbon (population: 0.55M) is known for the Web Summit tech conference, pastel de nata, and digital nomad culture. Houston (population: 2.3M) is known for NASA's Johnson Space Center, energy sector capital, and the Texas Medical Center.
Business Hours Overlap
The best window for business calls between Lisbon and Houston is 9:00 AM–11:00 AM Lisbon time (3:00 PM–5:00 PM in Houston).
Calling Between Cities
When calling Houston (+1) from Lisbon (+351), be mindful of the 6-hour gap. The safest window is late afternoon in Lisbon (4–6 PM) to reach people during waking hours.
Currency
Lisbon uses EUR while Houston uses USD. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Lisbon primarily speaks Portuguese, while Houston speaks English and Spanish. For business communication, English is commonly used as a bridge language in international settings.
Use our world clock tool to compare Lisbon and Houston visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Lisbon and Houston?
Houston, United States is 6 hours behind Lisbon, Portugal. Lisbon is in the Europe/London timezone (UTC+1) and Houston is in the America/Chicago timezone (UTC-5).
When it's noon in Lisbon, what time is it in Houston?
When it's 12:00 PM (noon) in Lisbon, it's 6:00 AM in Houston.
What is the best time to call Houston from Lisbon?
The best time to call Houston from Lisbon is during the overlapping business hours. When it's 9 AM in Lisbon, it's 3:00 AM in Houston. Aim for late morning to early afternoon in Lisbon for the best chance of reaching someone during working hours.
What currency does Houston use?
Houston, United States uses USD. Lisbon uses EUR. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Houston?
The primary languages in Houston are English, Spanish. English is widely used for international business communication.
How do I dial Houston from Lisbon?
To call Houston from Lisbon, dial your international access code followed by +1 and the local number. Lisbon uses country code +351 and Houston uses +1.
