HST to AEST Time Converter - Live World Clock
Convert time between Hawaii Standard Time (HST) and Australian Eastern Standard Time (AEST). See current time with live clocks.
United States (HST)
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07:27:46 AM
Thursday, August 20, 2026
Australia (AEST)
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03:27:46 AM
Friday, August 21, 2026
Current Time Difference
HST is -20 hours behind AEST
What is HST (Hawaii Standard Time)?
Hawaii Standard Time (HST) used in Hawaii, UTC-10:00. No DST observed.
Countries and Regions Using HST
Primary Country:
- United States
- States: Hawaii
Key Facts about HST:
- ✓ No Daylight Saving Time
- ✓ Major tourism destination
- ✓ Pacific island timezone
- ✓ Major Cities: Honolulu, Pearl City, Hilo
- ✓ UTC Offset: -10:00
What is AEST (Australian Eastern Standard Time)?
Australian Eastern Standard Time (AEST) used in eastern Australia, UTC+10:00.
Countries and Regions Using AEST
Primary Country:
- Australia
Key Facts about AEST:
- ✓ Most populous Australian timezone
- ✓ Major business centers
- ✓ DST observed October-April
- ✓ Major Cities: Sydney, Melbourne, Brisbane, Canberra
- ✓ UTC Offset: +10:00 (+11:00 during AEDT)
HST to AEST Time Difference
Standard Time Difference:
HST is -20 hours behind
Common Use Cases:
- • Business meetings between United States and Australia
- • International collaboration across timezones
- • Scheduling calls and conferences
Frequently Asked Questions
Which countries are in HST time zone?
United States is the primary country using HST (-10:00).
Which countries are in AEST time zone?
Australia is the primary country using AEST (+10:00).
How many hours is HST ahead of AEST?
HST is -20 hours behind AEST.
Does United States observe Daylight Saving Time?
No, United States does not observe Daylight Saving Time. HST remains -10:00 throughout the year.