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Perth is -1h 30m behind Adelaide
Quick converter
FROM
Adelaide
Australia
UTC+09:30
TO
Perth
Australia
UTC+08:00
Date-aware conversion
Result
Sat, Jun 20, 2026 12:04
Adelaide: Saturday, June 20, 2026 1:34 PM GMT+9:30 to Perth: Saturday, June 20, 2026 12:04 PM GMT+8.
Perth is 1h 30m behind Adelaide on this date
Every hour in Adelaide and the corresponding time in Perth. Green rows indicate business hours in Perth.
Time zones
Adelaide uses Australia/Adelaide (GMT+9:30) and Perth uses Australia/Perth (GMT+8). The difference can shift during daylight saving changes, so checking the exact date matters.
Best use
Use the green rows to spot normal working hours in Perth. For teams across more cities, open the meeting planner and compare up to five locations.
Plan a meetingMeeting guidance
The easiest overlap starts around 11:00 AM and runs through 5:00 PM in the source city, while the destination city is also inside normal working hours. For important calls, check the meeting date because the offset can change when either location enters or leaves daylight saving time.
Compare meeting hoursQuick examples
City context
Adelaide is located in Australia (Oceania). It uses the Australia/Adelaide timezone with a standard offset of UTC+09:30. It observes DST, switching between ACST and ACDT. See the full Adelaide time page for live clock and planning details.
Perth is located in Australia (Oceania). It uses the Australia/Perth timezone with a standard offset of UTC+08:00. It does not observe Daylight Saving Time. See the full Perth time page for live clock and planning details.
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Current city times