Sydney to Sun Valley Time Difference
Sun Valley is 16 hours behind Sydney. When it is noon in Sydney, it is 20:00 in Sun Valley.
Sydney (UTC+10) → Boise (UTC-6)
🕐 Interactive Time Explorer
When it's 07:00 in Sydney, it's 15:00 in Sun Valley
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Sydney & Sun Valley◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
12,850 km
Est. Flight Time
~16.1h
Time Difference
-16h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Sydney
14:00
Sun Valley (-1)
09:00
Sydney
17:00
Sun Valley (-1)
12:00
Sydney
20:00
Sun Valley (-1)
15:00
Sydney
23:00
Sun Valley (-1)
18:00
Sydney
02:00
Sun Valley
21:00
Sydney
05:00
Sun Valley
00:00
Sydney
08:00
Sun Valley (-1)
03:00
Sydney
11:00
Sun Valley (-1)
Frequently Asked Questions
How many hours is Sydney ahead of Sun Valley?
Sun Valley is 16 hours behind Sydney. When it is 12:00 noon in Sydney, it is 20:00 in Sun Valley. Sydney operates on Australia/Sydney (UTC+10), while Sun Valley uses America/Boise (UTC-6).
What is the best time to call Sun Valley from Sydney?
Standard business hours (9 AM–5 PM) do not overlap between Sydney and Sun Valley due to the 16 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Sydney to Sun Valley time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Sydney and Sun Valley
The distance between Sydney and Sun Valley is approximately 12,850 km. A direct flight typically takes around 16.1 hours. Your arrival clock will show local Sun Valley time — use our Flight Time Calculator to predict exact arrival times.