Sydney to Honolulu Time Difference
Honolulu is 20 hours behind Sydney. When it is noon in Sydney, it is 16:00 in Honolulu.
Sydney (UTC+10) → Honolulu (UTC-10)
🕐 Interactive Time Explorer
When it's 02:00 in Sydney, it's 06:00 in Honolulu
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Sydney & Honolulu✓ Perfect Match (4 hours)
◐ Extended Hours (6 hours)
✈️ Travel Information
Distance
8,166 km
Est. Flight Time
~10.6h
Time Difference
-20h
Work Hours Overlap
4h
Good
🟢 Good to Call Now
12:13
09:00 - 13:00
⏰ Quick Conversion
06:00
Sydney
10:00
Honolulu (-1)
09:00
Sydney
13:00
Honolulu (-1)
12:00
Sydney
16:00
Honolulu (-1)
15:00
Sydney
19:00
Honolulu (-1)
18:00
Sydney
22:00
Honolulu (-1)
21:00
Sydney
01:00
Honolulu
00:00
Sydney
04:00
Honolulu (-1)
03:00
Sydney
07:00
Honolulu (-1)
Frequently Asked Questions
How many hours is Sydney ahead of Honolulu?
Honolulu is 20 hours behind Sydney. When it is 12:00 noon in Sydney, it is 16:00 in Honolulu. Sydney operates on Australia/Sydney (UTC+10), while Honolulu uses Pacific/Honolulu (UTC-10).
What is the best time to call Honolulu from Sydney?
There are 4 hours of overlapping business time (9 AM–5 PM) between Sydney and Honolulu. The best window is 09:00–13:00 Sydney time (13:00–17:00 in Honolulu).
Does the Sydney to Honolulu 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 Honolulu
The distance between Sydney and Honolulu is approximately 8,166 km. A direct flight typically takes around 10.6 hours. Your arrival clock will show local Honolulu time — use our Flight Time Calculator to predict exact arrival times.