Seattle to Sydney Time Converter
Sydney is 19 hours ahead of Seattle right now. 9:00 AM in Seattle is 4:00 AM in Sydney (next day).
Time now: Seattle and Sydney
Sydney is 19 hours ahead of Seattle right now. The gap is not fixed: it is 17 hours at some times of the year and 19 hours at others, because at least one of them changes its clocks for daylight saving time.
Seattle and Sydney are about 12,470 km (7,748 miles) apart in a straight line. Right now Seattle is on PST (UTC-08:00) and Sydney is on AEDT (UTC+11:00).
Seattle to Sydney conversion table
Every hour of the day, using today's time difference.
| Seattle | Sydney |
|---|---|
| 12:00 AM | 7:00 PM |
| 1:00 AM | 8:00 PM |
| 2:00 AM | 9:00 PM |
| 3:00 AM | 10:00 PM |
| 4:00 AM | 11:00 PM |
| 5:00 AM | 12:00 AMnext day |
| 6:00 AM | 1:00 AMnext day |
| 7:00 AM | 2:00 AMnext day |
| 8:00 AM | 3:00 AMnext day |
| 9:00 AM | 4:00 AMnext day |
| 10:00 AM | 5:00 AMnext day |
| 11:00 AM | 6:00 AMnext day |
| 12:00 PM | 7:00 AMnext day |
| 1:00 PM | 8:00 AMnext day |
| 2:00 PM | 9:00 AMnext day |
| 3:00 PM | 10:00 AMnext day |
| 4:00 PM | 11:00 AMnext day |
| 5:00 PM | 12:00 PMnext day |
| 6:00 PM | 1:00 PMnext day |
| 7:00 PM | 2:00 PMnext day |
| 8:00 PM | 3:00 PMnext day |
| 9:00 PM | 4:00 PMnext day |
| 10:00 PM | 5:00 PMnext day |
| 11:00 PM | 6:00 PMnext day |
Best time to meet between Seattle and Sydney
Working hours overlap (9 AM – 6 PM in both places):
- 2:00 PM – 6:00 PM Seattle = 9:00 AM – 1:00 PM 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 Seattle and Sydney change?
Yes. Right now Sydney is 19 hours ahead of Seattle. These are the dates in the next 12 months when the gap changes:
- Sunday, 14 March 2027: Seattle moves its clocks forward. Sydney is 18 hours ahead of Seattle from then (it was 19 hours before).
- Sunday, 4 April 2027: Sydney moves its clocks back. Sydney is 17 hours ahead of Seattle from then (it was 18 hours before).
- Sunday, 3 October 2027: Sydney moves its clocks forward. Sydney is 18 hours ahead of Seattle from then (it was 17 hours before).
- Sunday, 7 November 2027: Seattle moves its clocks back. Sydney is 19 hours ahead of Seattle from then (it was 18 hours before).
Office hours in each other's time
- 9 AM to 6 PM in Seattle is 4:00 AM (next day) to 1:00 PM (next day) in Sydney.
- 9 AM to 6 PM in Sydney is 2:00 PM (previous day) to 11:00 PM (previous day) in Seattle.
Based on today's clock settings.
Frequently asked questions
What is the time difference between Seattle and Sydney?
Sydney is 19 hours ahead of Seattle right now. The gap is not fixed: it is 17 hours at some times of the year and 19 hours at others, because at least one of them changes its clocks for daylight saving time.
How do I convert Seattle to Sydney?
Add 19 hours to the Seattle time to get the Sydney time (at today's difference). 9:00 AM in Seattle is 4:00 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 10:21 AM in Sydney on Tuesday, November 10 (the converter above shows it live). At the same moment it is 3:21 PM in Seattle.
Does the time difference between Seattle and Sydney change during the year?
Yes. Right now Sydney is 19 hours ahead of Seattle. Over the next 12 months the gap changes 4 times: Sunday, 14 March 2027: Seattle moves its clocks forward. Sydney is 18 hours ahead of Seattle from then (it was 19 hours before). Sunday, 4 April 2027: Sydney moves its clocks back. Sydney is 17 hours ahead of Seattle from then (it was 18 hours before). Sunday, 3 October 2027: Sydney moves its clocks forward. Sydney is 18 hours ahead of Seattle from then (it was 17 hours before). Sunday, 7 November 2027: Seattle moves its clocks back. Sydney is 19 hours ahead of Seattle from then (it was 18 hours before).
What is the best time for a meeting between Seattle and Sydney?
Between 9 AM and 6 PM in both places you can meet at 2:00 PM – 6:00 PM Seattle = 9:00 AM – 1:00 PM Sydney. Check the overlap section on this page for every option.