Phoenix to Sydney Time
MST to AEST Converter — 9 AM MST is 2:00 AM AEST
Phoenix is 17 hours behind Sydney. Convert any time between Phoenix (MST) and Sydney (AEST/AEDT) instantly.
Phoenix
United States
Sydney
Australia
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Time Zone Comparison
Phoenix to Sydney Time Conversion Table
| Phoenix (MST) | Sydney (AEST) |
|---|---|
| 12:00 AM | 6:00 PM |
| 2:00 AM | 8:00 PM |
| 4:00 AM | 10:00 PM |
| 6:00 AM | 12:00 AM |
| 8:00 AM | 2:00 AM |
| 10:00 AM | 3:00 AM |
| 12:00 PM | 5:00 AM |
| 2:00 PM | 7:00 AM |
| 4:00 PM | 9:00 AM |
| 6:00 PM | 11:00 AM |
| 8:00 PM | 1:00 PM |
| 10:00 PM | 3:00 PM |
Phoenix & Sydney — Business & Scheduling Guide
Phoenix (United States) is a global financial and tech hub, with key industries in technology, finance, healthcare, and entertainment. Sydney (Australia) is a stable, resource-rich economy in the Asia-Pacific region, known for mining, agriculture, finance, and tourism. With a 17-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 Phoenix and Sydney
With Sydney 17 hours ahead of Phoenix, there is minimal overlap in standard business hours. Most teams alternate meeting times to share the burden of early-morning or late-evening calls fairly. US business hours typically run 9 AM–5 PM, with a culture that values punctuality and efficiency. Australian work culture values work-life balance, with typical hours of 9 AM–5 PM and flexible arrangements common. Consider recording meetings for those who can't attend live, and use shared documents for async collaboration.
Daylight Saving Time Considerations
Sydney observes Daylight Saving Time (AEST/AEDT), while Phoenix stays on MST year-round. When Sydney switches to daylight time, the effective time difference shifts by 1 hour. This typically happens in spring and fall, and the exact dates vary by country. If you have recurring cross-timezone meetings, recalculate the schedule after each DST transition.
MST to AEST — Quick Reference
MST (MST) stands for the timezone used in Phoenix, United States (UTC-7). AEST (AEST/AEDT) is the timezone used in Sydney, Australia (UTC+10). Phoenix is 17 hours behind Sydney.
To convert MST to AEST, add 17 hours to MST time. For example, MST 9:00 AM = AEST 2:00 AM.
Key Facts
- •Time difference: Phoenix (UTC-7) is 17 hours behind Sydney (UTC+10).
- •Daylight Saving Time: Phoenix does not observe DST (MST). Sydney observes DST (AEST/AEDT).
- •Regions: Phoenix is located in United States and uses the MST time zone. Sydney is located in Australia and uses the AEST/AEDT time zone.
- •Best time to call: There are no overlapping standard work hours (9 AM - 5 PM) between these two cities.
Frequently Asked Questions
What is the time difference between Phoenix and Sydney?
Phoenix is 17 hours behind Sydney.
What time is it in Sydney when it's 9 AM in Phoenix?
When it's 9:00 AM in Phoenix, it is 2:00 AM in Sydney.
What time is 9 PM MST in AEST?
9 PM MST (Phoenix time) is 2:00 PM AEST (Sydney 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 Phoenix and Sydney?
There are no overlapping standard work hours (9 AM - 5 PM) between these two cities.
How do I convert MST to AEST?
MST (MST) is the timezone for Phoenix, United States (UTC-7). AEST (AEST/AEDT) is the timezone for Sydney, Australia (UTC+10). Phoenix is 17 hours behind Sydney. Quick examples: 9 AM MST = 2:00 AM AEST, 12 PM MST = 5:00 AM AEST, 3 PM MST = 8:00 AM AEST, 6 PM MST = 11:00 AM AEST.
Is Phoenix ahead of or behind Sydney?
Phoenix is 17 hours behind Sydney. When it's noon in Phoenix, it's 5:00 AM in Sydney.
Does Phoenix or Sydney change clocks for Daylight Saving Time?
No, Phoenix does not observe DST — it stays on MST year-round. Sydney observes DST and switches between AEST/AEDT. Because only one city observes DST, the time difference shifts by 1 hour during transition periods (typically March/April and October/November).
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