Australia
United States
Sydney to Houston Time Difference
Houston is 16 hours behind Sydney
Sydney vs Houston — At a Glance
Sydney to Houston — Hour-by-Hour
About Sydney and Houston
Sydney (population: 5.3M) is known for the Opera House, Harbour Bridge, Australia's financial center, and surfing 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 16-hour gap means Sydney and Houston have almost no standard-hours overlap. Early morning calls from Sydney or late evening calls from Houston are the most practical options.
Calling Between Cities
With 16 hours between Sydney (+61) and Houston (+1), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Sydney uses AUD while Houston uses USD. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Sydney and Houston share English as a common language, which simplifies business communication.
Use our world clock tool to compare Sydney and Houston visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Sydney and Houston?
Houston, United States is 16 hours behind Sydney, Australia. Sydney is in the Australia/Sydney timezone (UTC+11) and Houston is in the America/Chicago timezone (UTC-5).
When it's noon in Sydney, what time is it in Houston?
When it's 12:00 PM (noon) in Sydney, it's 8:00 PM in Houston.
What is the best time to call Houston from Sydney?
The best time to call Houston from Sydney is during the overlapping business hours. When it's 9 AM in Sydney, it's 5:00 PM in Houston. Aim for late morning to early afternoon in Sydney for the best chance of reaching someone during working hours.
What currency does Houston use?
Houston, United States uses USD. Sydney uses AUD. 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. Sydney also speaks English, making communication easier.
How do I dial Houston from Sydney?
To call Houston from Sydney, dial your international access code followed by +1 and the local number. Sydney uses country code +61 and Houston uses +1.
