HST to Sydney time
HSTHawaii Time (US)12:17:15 PMWed 14 Oct · HST UTC−10
21 hSydney is ahead
SydneyAustralia9:17:15 AMThu 15 Oct · AEDT UTC+11Synchronising…
HST and Sydney time difference
Sydney is currently 21 h ahead of HST. HST is on HST (UTC−10:00) and Sydney is on AEDT (UTC+11:00).
The difference can change with daylight saving time. The next change is in Sydney on Sunday, 4 April 2027, after which Sydney will be 20 h ahead of HST.
If it is 9:00 in HST, what time is it in Sydney?
It is 06:00 in Sydney (next day).
What is the best time for a call between HST and Sydney?
Use the planner above: green hours are within 9:00–17:00 in both places.