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Time difference between Sydney and Houston

Houston is 17 hours behind Sydney.

Sydney
Australia · Australian Eastern Daylight Time
11:46 AM
Thursday, November 12, 2026
Houston
United States · Central Standard Time
6:46 PM
Wednesday, November 11, 2026

Sydney to Houston time converter

Green rows are office hours in both places; light green rows are when both are awake.

SydneyHouston
12:00 AM7:00 AM (previous day)
1:00 AM8:00 AM (previous day)
2:00 AM9:00 AM (previous day)
3:00 AM10:00 AM (previous day)
4:00 AM11:00 AM (previous day)
5:00 AM12:00 PM (previous day)
6:00 AM1:00 PM (previous day)
7:00 AM2:00 PM (previous day)
8:00 AM3:00 PM (previous day)
9:00 AM4:00 PM (previous day)
10:00 AM5:00 PM (previous day)
11:00 AM6:00 PM (previous day)
12:00 PM7:00 PM (previous day)
1:00 PM8:00 PM (previous day)
2:00 PM9:00 PM (previous day)
3:00 PM10:00 PM (previous day)
4:00 PM11:00 PM (previous day)
5:00 PM12:00 AM
6:00 PM1:00 AM
7:00 PM2:00 AM
8:00 PM3:00 AM
9:00 PM4:00 AM
10:00 PM5:00 AM
11:00 PM6:00 AM

Questions

What is the time difference between Sydney and Houston?

Houston is 17 hours behind Sydney. Sydney is on UTC+11 and Houston is on UTC−6.

What time is it in Houston when it is 9 AM in Sydney?

When it is 9:00 AM in Sydney, it is 4:00 PM the previous day in Houston.

When is the best time to call Houston from Sydney?

The best time to call or meet is 9:00 AM–11:00 AM in Sydney (4:00 PM–6:00 PM in Houston), when both places are in normal office hours.

Which days are working days in both Sydney and Houston?

Both Sydney and Houston usually work Monday to Friday.

Does the time difference between Sydney and Houston change?

Yes. Because of daylight saving time, the difference changes on Sunday, March 14, 2027, when Houston will be 16 hours behind Sydney.

Sydney is 17 hours ahead of Houston. More: time in Sydney · time in Houston

Time difference from Sydney to other cities

All Sydney time differences →

Time difference from Houston