Perth to Riyadh Time
AWST to AST Converter — 9 AM AWST is 4:00 AM AST
Perth is 5 hours ahead of Riyadh. Convert any time between Perth (AWST) and Riyadh (AST) instantly.
Perth
Australia
Riyadh
Saudi Arabia
Add Time Zones to Compare
Time Zone Comparison
Perth to Riyadh Time Conversion Table
| Perth (AWST) | Riyadh (AST) |
|---|---|
| 12:00 AM | 7:00 PM |
| 2:00 AM | 9:00 PM |
| 4:00 AM | 11:00 PM |
| 6:00 AM | 1:00 AM |
| 8:00 AM | 3:00 AM |
| 10:00 AM | 5:00 AM |
| 12:00 PM | 7:00 AM |
| 2:00 PM | 9:00 AM |
| 4:00 PM | 11:00 AM |
| 6:00 PM | 1:00 PM |
| 8:00 PM | 3:00 PM |
| 10:00 PM | 5:00 PM |
Perth & Riyadh — Business & Scheduling Guide
Perth (Australia) is a stable, resource-rich economy in the Asia-Pacific region, with key industries in mining, agriculture, finance, and tourism. Riyadh (Saudi Arabia) is the largest economy in the Middle East, known for oil & gas, construction, finance, and tourism under Vision 2030. With a 5-hour time difference, professionals frequently schedule cross-border calls between these two cities for international trade, remote team collaboration, and client meetings.
Scheduling Meetings Between Perth and Riyadh
The 5-hour difference between Perth and Riyadh requires careful scheduling. The best overlap window is typically 2–4 hours when both cities are within working hours. Australian work culture values work-life balance, with typical hours of 9 AM–5 PM and flexible arrangements common. Saudi business hours typically run 9 AM–5 PM Sunday–Thursday, with business often conducted over meals. Teams often designate specific "overlap hours" for real-time collaboration and use asynchronous communication (Slack, email, recorded video) for the rest of the day.
Daylight Saving Time Considerations
Neither Perth nor Riyadh observes Daylight Saving Time — Perth stays on AWST and Riyadh stays on AST year-round. This makes scheduling between these two cities simpler, as the 5-hour time difference remains constant throughout the year with no DST surprises.
AWST to AST — Quick Reference
AWST (AWST) stands for the timezone used in Perth, Australia (UTC+8). AST (AST) is the timezone used in Riyadh, Saudi Arabia (UTC+3). Perth is 5 hours ahead of Riyadh.
To convert AWST to AST, subtract 5 hours from AWST time. For example, AWST 9:00 AM = AST 4:00 AM.
Key Facts
- •Time difference: Perth (UTC+8) is 5 hours ahead of Riyadh (UTC+3).
- •Daylight Saving Time: Perth does not observe DST (AWST). Riyadh does not observe DST (AST).
- •Regions: Perth is located in Australia and uses the AWST time zone. Riyadh is located in Saudi Arabia and uses the AST time zone.
- •Best time to call: The best time to call between Perth and Riyadh is 2:00 PM to 4:00 PM in Perth time, when both cities have overlapping standard working hours.
Frequently Asked Questions
What is the time difference between Perth and Riyadh?
Perth is 5 hours ahead of Riyadh.
What time is it in Riyadh when it's 9 AM in Perth?
When it's 9:00 AM in Perth, it is 4:00 AM in Riyadh.
What time is 9 PM AWST in AST?
9 PM AWST (Perth time) is 4:00 PM AST (Riyadh time). This is a common time people check when scheduling evening calls across these two time zones.
When is the best time to schedule a meeting between Perth and Riyadh?
The best time to schedule a meeting is between 2:00 PM to 4:00 PM in Perth time, when both cities are within standard working hours (9 AM – 5 PM). This gives you the maximum overlap window for real-time collaboration.
How do I convert AWST to AST?
AWST (AWST) is the timezone for Perth, Australia (UTC+8). AST (AST) is the timezone for Riyadh, Saudi Arabia (UTC+3). Perth is 5 hours ahead of Riyadh. Quick examples: 9 AM AWST = 4:00 AM AST, 12 PM AWST = 7:00 AM AST, 3 PM AWST = 10:00 AM AST, 6 PM AWST = 1:00 PM AST.
Is Perth ahead of or behind Riyadh?
Perth is 5 hours ahead of Riyadh. When it's noon in Perth, it's 7:00 AM in Riyadh.
Does Perth or Riyadh change clocks for Daylight Saving Time?
No, Perth does not observe DST — it stays on AWST year-round. Riyadh does not observe DST — it stays on AST year-round.
Related Time Zone Conversions
More from Perth
Convert to Riyadh
Working across time zones?
Auto-sync calendar events into your timesheet — no matter what time zone your team is in. Connect Google Calendar, Teams, or Zoom and export a polished timesheet in seconds.
No credit card required. Free forever plan available.