Sydney vs Honolulu Time
Time difference and business hours comparison
Sydney
Australia
--:--:--
GMT+10 · GMT+10
-20h
time difference
Honolulu
United States
--:--:--
HST · GMT-10
Business Hours Overlap
Showing when 9:00 AM – 5:00 PM business hours overlap between both cities.
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Both in business hours
One city only
Outside business hours
Best Time to Call
Call Sydney from Honolulu
1:00 PM – 5:00 PM
Call Honolulu from Sydney
9:00 AM – 1:00 PM
Key Facts
Sydney Timezone
GMT+10
Honolulu Timezone
HST
Sydney UTC Offset
GMT+10
Honolulu UTC Offset
GMT-10
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