Time difference: 15 hours
Visualizing the Working Hours Gap
No direct 9 AM–5 PM business-hours overlap. Use the 24-hour table below for the closest windows.
No direct 9 AM–5 PM overlap. See the 24-hour table below for the nearest windows.
Try the Interactive Dial Planner
Drag to scrub through 24 hours. Live DST-accurate Temporal API logic.
| UTC | 🇺🇸 Houston | 🇦🇺 Sydney |
|---|---|---|
| 00:00 | 7:00 PM | 10:00 AM |
| 01:00 | 8:00 PM | 11:00 AM |
| 02:00 | 9:00 PM | 12:00 PM |
| 03:00 | 10:00 PM | 1:00 PM |
| 04:00 | 11:00 PM | 2:00 PM |
| 05:00 | 12:00 AM | 3:00 PM |
| 06:00 | 1:00 AM | 4:00 PM |
| 07:00 | 2:00 AM | 5:00 PM |
| 08:00 | 3:00 AM | 6:00 PM |
| 09:00 | 4:00 AM | 7:00 PM |
| 10:00 | 5:00 AM | 8:00 PM |
| 11:00 | 6:00 AM | 9:00 PM |
| 12:00 | 7:00 AM | 10:00 PM |
| 13:00 | 8:00 AM | 11:00 PM |
| 14:00 | 9:00 AM | 12:00 AM |
| 15:00 | 10:00 AM | 1:00 AM |
| 16:00 | 11:00 AM | 2:00 AM |
| 17:00 | 12:00 PM | 3:00 AM |
| 18:00 | 1:00 PM | 4:00 AM |
| 19:00 | 2:00 PM | 5:00 AM |
| 20:00 | 3:00 PM | 6:00 AM |
| 21:00 | 4:00 PM | 7:00 AM |
| 22:00 | 5:00 PM | 8:00 AM |
| 23:00 | 6:00 PM | 9:00 AM |
What is the best time to schedule a meeting between Houston and Sydney?
There is no direct 9 AM–5 PM business-hours overlap between Houston (UTC-5) and Sydney (UTC+10) given the 15 hours difference. Consider early mornings in Sydney or a rotating schedule so neither team always takes the off-hours slot.
What is the time difference between Houston and Sydney?
Houston is on UTC-5 and Sydney is on UTC+10, a difference of 15 hours. This can shift by ±1 hour during DST transitions.
When it is 9:00 AM in Houston, what time is it in Sydney?
When it is 9:00 AM in Houston (UTC-5), it is 12:00 AM in Sydney (UTC+10).
What are Houston working hours in Sydney local time?
A standard Houston workday of 9 AM–5 PM (UTC-5) corresponds to 12:00 AM–8:00 AM local time in Sydney (UTC+10).
Does daylight saving time affect the Houston–Sydney time difference?
Yes. If either city observes DST, the gap can shift by one hour around clock-change weekends. Always confirm current UTC offsets with a live tool before scheduling important calls.
What UTC time corresponds to the Houston–Sydney overlap window?
No shared 9 AM–5 PM UTC window exists for this pair. The closest option is 2:00 PM UTC (9 AM in Houston), which is 12:00 AM in Sydney.