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PT to AET time converter
Sydney is 17 hours ahead of US Pacific for 182 days of 2026, and 19 hours ahead of for the other 127 days, because daylight saving changes the gap.
PT to AET conversion table
Local time in US Pacific and the matching time in Sydney on two reference dates, one in winter and one in summer for the northern hemisphere.
| US Pacific (PT) | Sydney on 15 January | Sydney on 15 July |
|---|---|---|
| 08:00 | 03:00 (+1 day) | 01:00 (+1 day) |
| 09:00 | 04:00 (+1 day) | 02:00 (+1 day) |
| 10:00 | 05:00 (+1 day) | 03:00 (+1 day) |
| 12:00 | 07:00 (+1 day) | 05:00 (+1 day) |
| 15:00 | 10:00 (+1 day) | 08:00 (+1 day) |
| 17:00 | 12:00 (+1 day) | 10:00 (+1 day) |
| 18:00 | 13:00 (+1 day) | 11:00 (+1 day) |
| 21:00 | 16:00 (+1 day) | 14:00 (+1 day) |
Best meeting times between US Pacific and Sydney
- January: Inside both working days (09:00-17:00): 14:00-17:00 PT = 09:00-12:00 AET (+1 day).
- July: Inside both working days (09:00-17:00): 16:00-17:00 PT = 09:00-10:00 AET (+1 day).
Want to add more people? The meeting planner starts with these two zones and lets you add up to four more.
Daylight saving between PT and AET
- US Pacific moves its clocks forward on 8 March and back on 1 November in 2026.
- Sydney moves its clocks back on 5 April and forward on 4 October in 2026.
- The gap is 17 hours for 182 days and 19 hours for 127 days of 2026.
About the two zones
US Pacific. US Pacific Time is UTC-8 in winter (PST) and UTC-7 in summer (PDT). Clocks change on the second Sunday of March and the first Sunday of November.
Sydney. Sydney is on AEST (UTC+10) in winter and AEDT (UTC+11) in summer. Because it is in the southern hemisphere, its summer time runs from October to April, the opposite of Europe and North America.
Frequently asked questions
What time is 9 AM PT in AET?
On 15 January, 09:00 in US Pacific is 04:00 (+1 day) in Sydney. On 15 July it is 02:00 (+1 day).
What is the time difference between US Pacific and Sydney?
Sydney is 17 hours ahead of US Pacific for 182 days of 2026, and 19 hours ahead of for the other 127 days, because daylight saving changes the gap.
Does the time difference between PT and AET change during the year?
Yes. Both zones change their clocks, on different dates, so the gap moves between 17 and 19 hours. Always convert with the actual date.
When is the best time for a meeting between US Pacific and Sydney?
Inside both working days (09:00-17:00): 14:00-17:00 PT = 09:00-12:00 AET (+1 day). In July: Inside both working days (09:00-17:00): 16:00-17:00 PT = 09:00-10:00 AET (+1 day).
More conversions
Need the time in a scheduler? Convert a local-time cron schedule to UTC, or see which jobs a clock change affects with the DST collision simulator.