Seattle Time to AEST Converter
AEDT is 19 hours ahead of PST. 9:00 AM PST = 4:00 AM AEDT (next day).
AEDT is 19 hours ahead of PST at the moment. To convert Seattle Time to AEST, add 19 hours to the Seattle Time time: 9:00 AM PST = 4:00 AM AEDT (next day).
Seattle Time (Seattle time) is used in Seattle, USA. AEST (Australian Eastern Time) is used in New South Wales, Victoria, Tasmania, ACT; Queensland (Brisbane) all year.
Queensland stays on AEST all year. AEST (Australian Eastern Standard Time) is not in force right now: New South Wales is currently on AEDT. This page uses whichever name applies on the date you pick, so the numbers below say AEDT.
Seattle Time to AEST time conversion table
Seattle Time to AEST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Seattle Time | AEST |
|---|---|
| 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 AM+1 |
| 6:00 AM | 1:00 AM+1 |
| 7:00 AM | 2:00 AM+1 |
| Seattle Time | AEST |
|---|---|
| 8:00 AM | 3:00 AM+1 |
| 9:00 AM | 4:00 AM+1 |
| 10:00 AM | 5:00 AM+1 |
| 11:00 AM | 6:00 AM+1 |
| 12:00 PM | 7:00 AM+1 |
| 1:00 PM | 8:00 AM+1 |
| 2:00 PM | 9:00 AM+1 |
| 3:00 PM | 10:00 AM+1 |
| Seattle Time | AEST |
|---|---|
| 4:00 PM | 11:00 AM+1 |
| 5:00 PM | 12:00 PM+1 |
| 6:00 PM | 1:00 PM+1 |
| 7:00 PM | 2:00 PM+1 |
| 8:00 PM | 3:00 PM+1 |
| 9:00 PM | 4:00 PM+1 |
| 10:00 PM | 5:00 PM+1 |
| 11:00 PM | 6:00 PM+1 |
Conversion table from Seattle Time to AEST for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in AEST, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert Seattle Time to AEST
Add 19 hours to the Seattle Time time to get AEST.
Example: 9:00 AM PST = 4:00 AM AEDT (next day).
Across midnight: 10:00 PM PST = 5:00 PM AEDT (next day). The date changes, so always check the day as well as the hour.
Time difference between Seattle Time and AEST
The time difference between Seattle Time and AEST is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 31 Dec 2025 – 7 Mar 2026: AEST is 19 hours ahead of Seattle Time.
- 8 Mar 2026 – 3 Apr 2026: AEST is 18 hours ahead of Seattle Time.
- 4 Apr 2026 – 2 Oct 2026: AEST is 17 hours ahead of Seattle Time.
- 3 Oct 2026 – 31 Oct 2026: AEST is 18 hours ahead of Seattle Time.
- 1 Nov 2026 – 30 Dec 2026: AEST is 19 hours ahead of Seattle Time.
Seattle Time and AEST during daylight saving time
- Seattle Time next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from PST (UTC−8) to PDT (UTC−7).
- AEST next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from AEDT (UTC+11) to AEST (UTC+10).
Best time for a meeting between Seattle Time and AEST
Seattle Time and AEST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 12:00 PM PST, which is 7:00 AM AEDT.
Seattle Time to AEST FAQ
What is the time difference between Seattle Time and AEST?
Right now AEDT is 19 hours ahead of PST. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Seattle Time in AEST?
9:00 AM PST is 4:00 AM AEDT (next day).
What is 12 PM (noon) Seattle Time in AEST?
12:00 PM PST is 7:00 AM AEDT (next day).
Is AEST ahead of or behind Seattle Time?
AEDT is 19 hours ahead of PST, so it is later in AEST than in Seattle Time.
Does Seattle Time change for daylight saving time?
Yes. Seattle Time next changes on 14 Mar 2027, when clocks go forward one hour from PST to PDT.
Does AEST change for daylight saving time?
Yes. AEST next changes on 4 Apr 2027, when clocks go back one hour from AEDT to AEST.
What is the best time for a meeting between Seattle Time and AEST?
Seattle Time and AEST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 12:00 PM PST, which is 7:00 AM AEDT.
Related conversions
Convert AEST to Seattle Time
Convert Seattle Time to other time zones
Convert other time zones to AEST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.