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Time Difference: Houston to Sydney
🇺🇸HoustonUTC-6
vs🇦🇺SydneyUTC+10
🇺🇸
Houston, US
Fri, Apr 17
🇦🇺
Sydney, Australia
Sat, Apr 18
Click a time to convert
Time Difference
15 hours
Sydney is 15 hours ahead of Houston
Houston vs Sydney timezone guide
Houston (US) uses the America/Chicago timezone at UTC-6, while Sydney (Australia) uses Australia/Sydney at UTC+10. This means Sydney is 16 hours ahead of Houston (based on standard offsets — the live difference above accounts for daylight saving time).
When scheduling a call or meeting between Houston and Sydney, look for the overlapping work hours highlighted above. The live clocks on this page update every second, and the difference adjusts automatically when either city enters or exits daylight saving time.