Live clock comparison with exact offset, conversion table, and meeting planner
| Sydney Time | Houston Time |
|---|---|
|
6:00 AM
06:00
|
12:00 PM
America/Anchorage
|
|
9:00 AM
09:00
|
3:00 PM
America/Anchorage
|
|
12:00 PM
12:00
|
6:00 PM
America/Anchorage
|
|
3:00 PM
15:00
|
9:00 PM
America/Anchorage
|
|
6:00 PM
18:00
|
12:00 AM
America/Anchorage
|
|
9:00 PM
21:00
|
3:00 AM
America/Anchorage
|
Highlighted row shows the current hour range. Use the full 24-hour table for complete reference.
Use the Meeting Planner for exact overlapping business hours.
The time difference between Sydney, New South Wales, Australia and Houston, Alaska, United States is 18 hours. This means Houston is 18 hours behind Sydney. When it is 8:26 AM in Sydney, it is 2:26 PM in Houston.
When it is 12:00 PM (noon) in Sydney, New South Wales, Australia, it is 6:00 PM in Houston, Alaska, United States. This is calculated by applying the 18 hours offset between the two time zones.
Sydney uses Australia/Sydney (UTC+10) and Houston uses America/Anchorage (UTC-8). The live clocks on this page automatically account for any active Daylight Saving Time transitions, so the displayed time is always accurate.
The best time to call depends on the 18 hours difference. Use our Meeting Planner to find overlapping business hours (typically 9 AM – 5 PM) between the two cities. This ensures both parties are available during working hours.
To convert time from Sydney to Houston, subtract 18 hours. For example, when it is 3:00 PM in Sydney, it is 9:00 PM in Houston. Use the quick conversion table above or the 24-Hour Time Table for a complete reference.
The time difference between Sydney, New South Wales, Australia and Houston, Alaska, United States is driven by their respective UTC offsets. Sydney operates under Australia/Sydney with an offset of UTC+10, while Houston follows America/Anchorage at UTC-8.
This 18 hours gap means that when scheduling meetings, travel, or calls between these two locations, you must account for the fact that Houston is consistently 18 hours behind Sydney. Both cities automatically observe Daylight Saving Time where applicable, and our live clocks reflect any seasonal changes in real time.
Use our 24-Hour Time Table for a complete hour-by-hour conversion chart, the Meeting Planner to find the best overlapping business hours, or the Distance Calculator to see how far apart these cities are.