Houston to Sydney Time Converter
Sydney is 17 hours ahead of Houston right now. 9:00 AM in Houston is 2:00 AM in Sydney (next day).
Time now: Houston and Sydney
Sydney is 17 hours ahead of Houston right now. The gap is not fixed: it is 15 hours at some times of the year and 17 hours at others, because at least one of them changes its clocks for daylight saving time.
Houston and Sydney are about 13,819 km (8,587 miles) apart in a straight line. Right now Houston is on CST (UTC-06:00) and Sydney is on AEDT (UTC+11:00).
Houston to Sydney conversion table
Every hour of the day, using today's time difference.
| Houston | Sydney |
|---|---|
| 12:00 AM | 5:00 PM |
| 1:00 AM | 6:00 PM |
| 2:00 AM | 7:00 PM |
| 3:00 AM | 8:00 PM |
| 4:00 AM | 9:00 PM |
| 5:00 AM | 10:00 PM |
| 6:00 AM | 11:00 PM |
| 7:00 AM | 12:00 AMnext day |
| 8:00 AM | 1:00 AMnext day |
| 9:00 AM | 2:00 AMnext day |
| 10:00 AM | 3:00 AMnext day |
| 11:00 AM | 4:00 AMnext day |
| 12:00 PM | 5:00 AMnext day |
| 1:00 PM | 6:00 AMnext day |
| 2:00 PM | 7:00 AMnext day |
| 3:00 PM | 8:00 AMnext day |
| 4:00 PM | 9:00 AMnext day |
| 5:00 PM | 10:00 AMnext day |
| 6:00 PM | 11:00 AMnext day |
| 7:00 PM | 12:00 PMnext day |
| 8:00 PM | 1:00 PMnext day |
| 9:00 PM | 2:00 PMnext day |
| 10:00 PM | 3:00 PMnext day |
| 11:00 PM | 4:00 PMnext day |
Best time to meet between Houston and Sydney
Working hours overlap (9 AM – 6 PM in both places):
- 4:00 PM – 6:00 PM Houston = 9:00 AM – 11:00 AM Sydney
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Does the time difference between Houston and Sydney change?
Yes. Right now Sydney is 17 hours ahead of Houston. These are the dates in the next 12 months when the gap changes:
- Sunday, 14 March 2027: Houston moves its clocks forward. Sydney is 16 hours ahead of Houston from then (it was 17 hours before).
- Sunday, 4 April 2027: Sydney moves its clocks back. Sydney is 15 hours ahead of Houston from then (it was 16 hours before).
- Sunday, 3 October 2027: Sydney moves its clocks forward. Sydney is 16 hours ahead of Houston from then (it was 15 hours before).
- Sunday, 7 November 2027: Houston moves its clocks back. Sydney is 17 hours ahead of Houston from then (it was 16 hours before).
Office hours in each other's time
- 9 AM to 6 PM in Houston is 2:00 AM (next day) to 11:00 AM (next day) in Sydney.
- 9 AM to 6 PM in Sydney is 4:00 PM (previous day) to 1:00 AM in Houston.
Based on today's clock settings.
Frequently asked questions
What is the time difference between Houston and Sydney?
Sydney is 17 hours ahead of Houston right now. The gap is not fixed: it is 15 hours at some times of the year and 17 hours at others, because at least one of them changes its clocks for daylight saving time.
How do I convert Houston to Sydney?
Add 17 hours to the Houston time to get the Sydney time (at today's difference). 9:00 AM in Houston is 2:00 AM in Sydney (next day). Or use the converter above and pick any date and time.
What is the current time in Sydney?
It is 11:17 AM in Sydney on Tuesday, November 10 (the converter above shows it live). At the same moment it is 6:17 PM in Houston.
Does the time difference between Houston and Sydney change during the year?
Yes. Right now Sydney is 17 hours ahead of Houston. Over the next 12 months the gap changes 4 times: Sunday, 14 March 2027: Houston moves its clocks forward. Sydney is 16 hours ahead of Houston from then (it was 17 hours before). Sunday, 4 April 2027: Sydney moves its clocks back. Sydney is 15 hours ahead of Houston from then (it was 16 hours before). Sunday, 3 October 2027: Sydney moves its clocks forward. Sydney is 16 hours ahead of Houston from then (it was 15 hours before). Sunday, 7 November 2027: Houston moves its clocks back. Sydney is 17 hours ahead of Houston from then (it was 16 hours before).
What is the best time for a meeting between Houston and Sydney?
Between 9 AM and 6 PM in both places you can meet at 4:00 PM – 6:00 PM Houston = 9:00 AM – 11:00 AM Sydney. Check the overlap section on this page for every option.