Sydney to Seattle Time Difference
🇦🇺 Sydney is currently 18 hours behind of 🇺🇸 Seattle. This difference varies between 19h and 17h due to Daylight Saving Time.
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Atin 🇦🇺 Sydney→it will be—in 🇺🇸 Seattle
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Difference
-18h
Business overlap
3h
Distance
12,470 km
Approx. flight
14.7h
Hour-by-Hour: Sydney to Seattle
| 🇦🇺 Sydney | 🇺🇸 Seattle | Note |
|---|---|---|
| 12:00 AM | 6:00 AM | |
| 1:00 AM | 7:00 AM | |
| 2:00 AM | 8:00 AM | |
| 3:00 AM | 9:00 AM | |
| 4:00 AM | 10:00 AM | |
| 5:00 AM | 11:00 AM | |
| 6:00 AM | 12:00 PM | |
| 7:00 AM | 1:00 PM | |
| 8:00 AM | 2:00 PM | |
| 9:00 AM | 3:00 PM | |
| 10:00 AM | 4:00 PM | |
| 11:00 AM | 5:00 PM | |
| 12:00 PM | 6:00 PM | |
| 1:00 PM | 7:00 PM | |
| 2:00 PM | 8:00 PM | |
| 3:00 PM | 9:00 PM | |
| 4:00 PM | 10:00 PM | |
| 5:00 PM | 11:00 PM | |
| 6:00 PM | 12:00 AM(next day) | Next day |
| 7:00 PM | 1:00 AM(next day) | Next day |
| 8:00 PM | 2:00 AM(next day) | Next day |
| 9:00 PM | 3:00 AM(next day) | Next day |
| 10:00 PM | 4:00 AM(next day) | Next day |
| 11:00 PM | 5:00 AM(next day) | Next day |
Daylight Saving Time (DST)
Both Sydney and Seattle observe Daylight Saving Time, but they may switch on different dates. The time difference varies between 19 hours behind and 17 hours behind throughout the year. Currently, Sydney is 18 hours behind relative to Seattle.
Min difference
19h
Max difference
17h
Best Meeting Times
There are 3 overlapping business hours between Sydney and Seattle (9 AM – 6 PM in each city).
🇦🇺 Sydney
9:00 AM – 12:00 PM
🇺🇸 Seattle
3:00 PM – 6:00 PM
Frequently Asked Questions
What is the time difference between Sydney and Seattle?
The time difference between Sydney and Seattle is currently 18 hours behind. Sydney uses GMT+11 (UTC+11), while Seattle uses PDT (UTC-7). This difference varies seasonally due to Daylight Saving Time, ranging from 19 hours behind to 17 hours behind.
When it's noon in Sydney, what time is it in Seattle?
When it's 12:00 PM (noon) in Sydney, it is 6:00 PM in Seattle. Use our calculator above to convert any other time.
Does the time difference between Sydney and Seattle change?
Yes, the time difference changes throughout the year. Because Sydney observes Daylight Saving Time, the offset shifts between 19 hours behind and 17 hours behind at different times of the year.
What are the best times to schedule a call between Sydney and Seattle?
The best time to call is between 9:00 AM and 12:00 PM in Sydney (which is 3:00 PM – 6:00 PM in Seattle). This 3-hour window falls within business hours in both cities.
Is Sydney ahead or behind Seattle?
Sydney is currently 18 hours ahead of Seattle.
What time zone is Sydney in?
Sydney is in the Australia/Sydney time zone, currently using GMT+11 (UTC+11). Sydney observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Sydney in Seattle?
When it is midnight (12:00 AM) in Sydney, it is 6:00 AM in Seattle.