MeanwhileAWST to AST converter
Australian Western Time (Perth) to Atlantic Time (Halifax).
AST is 11 h behind AWST.
9:00 AM AWST = 10:00 PM AST previous day
Best time to meet
No hour falls inside 9 AM to 5 PM in both places, so one side always meets outside office hours.
AWST to AST time table
For 31 Oct 2026. Green rows: both sides between 9 AM and 5 PM.
| AWST | AST |
|---|---|
| 12:00 AM AWST | 1:00 PM AST previous day |
| 1:00 AM AWST | 2:00 PM AST previous day |
| 2:00 AM AWST | 3:00 PM AST previous day |
| 3:00 AM AWST | 4:00 PM AST previous day |
| 4:00 AM AWST | 5:00 PM AST previous day |
| 5:00 AM AWST | 6:00 PM AST previous day |
| 6:00 AM AWST | 7:00 PM AST previous day |
| 7:00 AM AWST | 8:00 PM AST previous day |
| 8:00 AM AWST | 9:00 PM AST previous day |
| 9:00 AM AWST | 10:00 PM AST previous day |
| 10:00 AM AWST | 11:00 PM AST previous day |
| 11:00 AM AWST | 12:00 AM AST |
| 12:00 PM AWST | 1:00 AM AST |
| 1:00 PM AWST | 2:00 AM AST |
| 2:00 PM AWST | 3:00 AM AST |
| 3:00 PM AWST | 4:00 AM AST |
| 4:00 PM AWST | 5:00 AM AST |
| 5:00 PM AWST | 6:00 AM AST |
| 6:00 PM AWST | 7:00 AM AST |
| 7:00 PM AWST | 8:00 AM AST |
| 8:00 PM AWST | 9:00 AM AST |
| 9:00 PM AWST | 10:00 AM AST |
| 10:00 PM AWST | 11:00 AM AST |
| 11:00 PM AWST | 12:00 PM AST |
Quick answers
- 9:00 AM AWST = 10:00 PM AST (previous day)
- 12:00 PM AWST = 1:00 AM AST
- 3:00 PM AWST = 4:00 AM AST
- 5:00 PM AWST = 6:00 AM AST
- 9:00 AM AST = 8:00 PM AWST
- 12:00 PM AST = 11:00 PM AWST
- 5:00 PM AST = 4:00 AM AWST (next day)
Does the gap change during the year?
Yes, because of daylight saving. Until 1 Nov 2026: AST is 11 h behind AWST. From 1 Nov 2026 to 14 Mar 2027: AST is 12 h behind AWST. From 14 Mar 2027 to 7 Nov 2027: AST is 11 h behind AWST.
AWST does not change its clocks. AST next changes its clocks on 1 Nov 2026 (back 1 h, to UTC−4), then on 14 Mar 2027 (forward 1 h, to UTC−3).
About AWST and AST
AWST here means Australian Western Time, the clock in Perth. Right now it is UTC+8. It has no daylight saving.
AST here means Atlantic Time, the clock in Halifax. Right now it is UTC−3. Strictly, AST is the winter name; in summer these places use ADT. This page follows their real clock all year.
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