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-10:00→UTC+10:00 / +11:00
Live timezone converterUTC Offset Reference
| Timezone | Abbreviation | Standard offset | DST offset | Country |
|---|---|---|---|---|
| Hawaii Time | HST | UTC-10:00 | — | United States |
| Australian Eastern Time | AEST / AEDT | UTC+10:00 | UTC+11:00 | Australia |
* DST offset applies during summer months. Exact transition dates vary by year.
Standard Time Conversion (HST → AEST)
| Hawaii Time | Australian Eastern Time |
|---|---|
| 12:00 AM HST | 8:00 PM AEST |
| 6:00 AM HST | 2:00 AM (next day) AEST |
| 9:00 AM HST | 5:00 AM (next day) AEST |
| 12:00 PM HST | 8:00 AM (next day) AEST |
| 3:00 PM HST | 11:00 AM (next day) AEST |
| 6:00 PM HST | 2:00 PM (next day) AEST |
| 9:00 PM HST | 5:00 PM (next day) AEST |
Summer (DST) Conversion (HST → AEDT)
| Hawaii Time (summer) | Australian Eastern Time (summer) |
|---|---|
| 12:00 AM HST | 9:00 PM AEDT |
| 6:00 AM HST | 3:00 AM (next day) AEDT |
| 9:00 AM HST | 6:00 AM (next day) AEDT |
| 12:00 PM HST | 9:00 AM (next day) AEDT |
| 3:00 PM HST | 12:00 PM (next day) AEDT |
| 6:00 PM HST | 3:00 PM (next day) AEDT |
| 9:00 PM HST | 6:00 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.
Related Timezone Conversions
Hawaii Time → US Eastern TimeHST / ESTHawaii Time → US Central TimeHST / CSTHawaii Time → US Mountain TimeHST / MSTHawaii Time → US Pacific TimeHST / PSTHawaii Time → US Alaska TimeHST / AKSTHawaii Time → Canada Atlantic TimeHST / ASTHawaii Time → Australian Central TimeHST / ACSTHawaii Time → Australian Western TimeHST / AWST
Need the exact current time?
Use the live ToolsHub timezone converter to see current times, DST status, and schedule across time zones.