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