Skip to main content
ToolsHub

Hawaii Time to Australian Eastern Time

Convert times between Hawaii Time (HST, UTC-10:00) and Australian Eastern Time (AEST, UTC+10:00). Australian Eastern Time is 20 hours ahead of Hawaii Time in standard time. During daylight saving time this difference changes to 21 hours.

UTC-10:00UTC+10:00 / +11:00
Live timezone converter

UTC Offset Reference

TimezoneAbbreviationStandard offsetDST offsetCountry
Hawaii TimeHSTUTC-10:00United States
Australian Eastern TimeAEST / AEDTUTC+10:00UTC+11:00Australia

* DST offset applies during summer months. Exact transition dates vary by year.

Standard Time Conversion (HSTAEST)

Hawaii TimeAustralian Eastern Time
12:00 AM HST8:00 PM AEST
6:00 AM HST2:00 AM (next day) AEST
9:00 AM HST5:00 AM (next day) AEST
12:00 PM HST8:00 AM (next day) AEST
3:00 PM HST11:00 AM (next day) AEST
6:00 PM HST2:00 PM (next day) AEST
9:00 PM HST5:00 PM (next day) AEST

Summer (DST) Conversion (HSTAEDT)

Hawaii Time (summer)Australian Eastern Time (summer)
12:00 AM HST9:00 PM AEDT
6:00 AM HST3:00 AM (next day) AEDT
9:00 AM HST6:00 AM (next day) AEDT
12:00 PM HST9:00 AM (next day) AEDT
3:00 PM HST12:00 PM (next day) AEDT
6:00 PM HST3:00 PM (next day) AEDT
9:00 PM HST6:00 PM (next day) AEDT

Daylight Saving Time (DST) Notes

  • Australian Eastern Time observes DST. Clocks advance 1 hour to AEDT (UTC+11:00) roughly from month 10 to 4.
  • The offset difference shifts between 20h (standard) and 21h (DST season). Always verify the current offset using the live converter below.

Frequently Asked Questions

How do I convert HST to AEST?
Add 20 hours to the HST time to get AEST. For example, 9:00 AM HST = 5:00 AM AEST.
What is the current UTC offset for Hawaii Time?
Hawaii Time is always UTC-10:00 (HST) — it does not observe DST.
Is Australian Eastern Time ahead or behind Hawaii Time?
Australian Eastern Time is 20 hours ahead of Hawaii Time in standard time.
When is a good time to schedule a meeting between HST and AEST?
A good overlap window is around 3:00 PM HST / 11:00 AM (next day) AEST, which falls within business hours for both timezones.

Need the exact current time?

Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.

Open live converter →