Seattle to Perth Time Difference
🇺🇸 Seattle is currently 15 hours ahead of 🇦🇺 Perth. This difference varies between 15h and 16h due to Daylight Saving Time.
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Atin 🇺🇸 Seattle→it will be—in 🇦🇺 Perth
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Difference
+15h
Business overlap
None
Distance
14,880 km
Approx. flight
17.5h
Hour-by-Hour: Seattle to Perth
| 🇺🇸 Seattle | 🇦🇺 Perth | Note |
|---|---|---|
| 12:00 AM | 3:00 PM(prev day) | Previous day |
| 1:00 AM | 4:00 PM(prev day) | Previous day |
| 2:00 AM | 5:00 PM(prev day) | Previous day |
| 3:00 AM | 6:00 PM(prev day) | Previous day |
| 4:00 AM | 7:00 PM(prev day) | Previous day |
| 5:00 AM | 8:00 PM(prev day) | Previous day |
| 6:00 AM | 9:00 PM(prev day) | Previous day |
| 7:00 AM | 10:00 PM(prev day) | Previous day |
| 8:00 AM | 11:00 PM(prev day) | Previous day |
| 9:00 AM | 12:00 AM | |
| 10:00 AM | 1:00 AM | |
| 11:00 AM | 2:00 AM | |
| 12:00 PM | 3:00 AM | |
| 1:00 PM | 4:00 AM | |
| 2:00 PM | 5:00 AM | |
| 3:00 PM | 6:00 AM | |
| 4:00 PM | 7:00 AM | |
| 5:00 PM | 8:00 AM | |
| 6:00 PM | 9:00 AM | |
| 7:00 PM | 10:00 AM | |
| 8:00 PM | 11:00 AM | |
| 9:00 PM | 12:00 PM | |
| 10:00 PM | 1:00 PM | |
| 11:00 PM | 2:00 PM |
Daylight Saving Time (DST)
Seattle observes Daylight Saving Time, while Perth does not. This causes the time difference to shift between 15 hours ahead and 16 hours ahead depending on the season. Currently, Seattle is 15 hours ahead relative to Perth.
Min difference
15h
Max difference
16h
Best Meeting Times
There is no overlap between standard business hours (9 AM – 6 PM) in Seattle and Perth. Consider scheduling early morning or late evening calls to bridge the gap.
Frequently Asked Questions
What is the time difference between Seattle and Perth?
The time difference between Seattle and Perth is currently 15 hours ahead. Seattle uses PDT (UTC-7), while Perth uses GMT+8 (UTC+8). This difference varies seasonally due to Daylight Saving Time, ranging from 15 hours ahead to 16 hours ahead.
When it's noon in Seattle, what time is it in Perth?
When it's 12:00 PM (noon) in Seattle, it is 3:00 AM in Perth. Use our calculator above to convert any other time.
Does the time difference between Seattle and Perth change?
Yes, the time difference changes throughout the year. Because Seattle observes Daylight Saving Time, the offset shifts between 15 hours ahead and 16 hours ahead at different times of the year.
What are the best times to schedule a call between Seattle and Perth?
There is no overlap between standard business hours (9 AM – 6 PM) in Seattle and Perth. Consider scheduling early morning in one city or late evening in the other to find a mutually reasonable time.
Is Seattle ahead or behind Perth?
Seattle is currently 15 hours behind Perth.
What time zone is Seattle in?
Seattle is in the America/Los Angeles time zone, currently using PDT (UTC-7). Seattle observes Daylight Saving Time, so the offset changes twice a year.
What time is midnight in Seattle in Perth?
When it is midnight (12:00 AM) in Seattle, it is 3:00 PM in Perth.