AWST to UTC Time Converter
UTC is 8 hours behind AWST. AWST is UTC+8:00, and UTC is the zero point, UTC±00:00.
Best Time to Call Between AWST and UTC
Standard 9-to-5 hours in these two zones never overlap, so someone has to take the call outside their working day. The most workable window is 3:00 PM to 10:00 PM AWST, which is 7:00 AM to 2:00 PM UTC.
both at work AWST only UTC only neither — hours along the strip are AWST.
Common Times Converted
AWST on the left, UTC on the right.
AWST to UTC: Full 24-Hour Conversion Table
Shaded rows are working hours; the darker shade marks the hours when both zones are at work.
| AWST | UTC | Working hours |
|---|---|---|
| 12:00 AM | 4:00 PM prev day | UTC only |
| 1:00 AM | 5:00 PM prev day | — |
| 2:00 AM | 6:00 PM prev day | — |
| 3:00 AM | 7:00 PM prev day | — |
| 4:00 AM | 8:00 PM prev day | — |
| 5:00 AM | 9:00 PM prev day | — |
| 6:00 AM | 10:00 PM prev day | — |
| 7:00 AM | 11:00 PM prev day | — |
| 8:00 AM | 12:00 AM | — |
| 9:00 AM | 1:00 AM | AWST only |
| 10:00 AM | 2:00 AM | AWST only |
| 11:00 AM | 3:00 AM | AWST only |
| 12:00 PM | 4:00 AM | AWST only |
| 1:00 PM | 5:00 AM | AWST only |
| 2:00 PM | 6:00 AM | AWST only |
| 3:00 PM | 7:00 AM | AWST only |
| 4:00 PM | 8:00 AM | AWST only |
| 5:00 PM | 9:00 AM | UTC only |
| 6:00 PM | 10:00 AM | UTC only |
| 7:00 PM | 11:00 AM | UTC only |
| 8:00 PM | 12:00 PM | UTC only |
| 9:00 PM | 1:00 PM | UTC only |
| 10:00 PM | 2:00 PM | UTC only |
| 11:00 PM | 3:00 PM | UTC only |
What AWST and UTC Actually Are
AWST — Australian Western Standard Time
Perth. Standing at UTC+8:00 as written, and the region does not change its clocks, so that offset holds all year. Western Australia does not observe daylight saving, so Perth stays on UTC+8 all year.
Western Australia has held four referendums on daylight saving and rejected it every time, most recently in 2009.
UTC — Coordinated Universal Time
The global reference standard. Aviation, computing and science run on it. Standing at UTC as written, and the region does not change its clocks, so that offset holds all year.
UTC is not a place. It is a computed standard, kept within a second of mean solar time at Greenwich by atomic clocks, and it is the reference every other zone is defined against.
What This Means in Practice
A gap you can rely on
Neither region changes its clocks, so this difference holds every day of the year. A recurring meeting booked once stays correct — worth knowing, because most cross-border pairs cannot say that.
Frequently Asked Questions
What is the time difference between AWST and UTC?
UTC is 8 hours behind AWST.
What is 9:00 AM AWST in UTC?
9:00 AM AWST is 1:00 AM UTC.
What are the best hours to schedule a call between AWST and UTC?
Standard business hours in these two zones do not overlap at all, so one side has to work outside the 9-to-5. The most workable window is 3:00 PM to 10:00 PM AWST, which is 7:00 AM to 2:00 PM UTC.
Does the difference between AWST and UTC change during the year?
No. Neither region changes its clocks, so this gap is fixed all year round.
Does AWST always mean Australian Western Standard Time?
Western Australia does not observe daylight saving, so Perth stays on UTC+8 all year.