AEST to HST Time Converter
HST is 21 hours behind AEST right now. 9:00 AM in AEST is 12:00 PM in HST (the day before).
Time now: AEST and HST
HST is 21 hours behind AEST right now. The gap is not fixed: it is 21 hours at some times of the year and 20 hours at others, because at least one of them changes its clocks for daylight saving time.
AEST to HST conversion table
Every hour of the day, using today's time difference.
| AEST | HST |
|---|---|
| 12:00 AM | 3:00 AMprevious day |
| 1:00 AM | 4:00 AMprevious day |
| 2:00 AM | 5:00 AMprevious day |
| 3:00 AM | 6:00 AMprevious day |
| 4:00 AM | 7:00 AMprevious day |
| 5:00 AM | 8:00 AMprevious day |
| 6:00 AM | 9:00 AMprevious day |
| 7:00 AM | 10:00 AMprevious day |
| 8:00 AM | 11:00 AMprevious day |
| 9:00 AM | 12:00 PMprevious day |
| 10:00 AM | 1:00 PMprevious day |
| 11:00 AM | 2:00 PMprevious day |
| 12:00 PM | 3:00 PMprevious day |
| 1:00 PM | 4:00 PMprevious day |
| 2:00 PM | 5:00 PMprevious day |
| 3:00 PM | 6:00 PMprevious day |
| 4:00 PM | 7:00 PMprevious day |
| 5:00 PM | 8:00 PMprevious day |
| 6:00 PM | 9:00 PMprevious day |
| 7:00 PM | 10:00 PMprevious day |
| 8:00 PM | 11:00 PMprevious day |
| 9:00 PM | 12:00 AM |
| 10:00 PM | 1:00 AM |
| 11:00 PM | 2:00 AM |
Best time to meet between AEST and HST
Working hours overlap (9 AM – 6 PM in both places):
- 9:00 AM – 3:00 PM AEST = 12:00 PM – 6:00 PM HST
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Does the time difference between AEST and HST change?
Yes. Right now HST is 21 hours behind AEST. These are the dates in the next 12 months when the gap changes:
- Sunday, 4 April 2027: AEST moves its clocks back. HST is 20 hours behind AEST from then (it was 21 hours before).
- Sunday, 3 October 2027: AEST moves its clocks forward. HST is 21 hours behind AEST from then (it was 20 hours before).
Office hours in each other's time
- 9 AM to 6 PM in AEST is 12:00 PM (previous day) to 9:00 PM (previous day) in HST.
- 9 AM to 6 PM in HST is 6:00 AM (next day) to 3:00 PM (next day) in AEST.
Based on today's clock settings.
Frequently asked questions
What is the time difference between AEST and HST?
HST is 21 hours behind AEST right now. The gap is not fixed: it is 21 hours at some times of the year and 20 hours at others, because at least one of them changes its clocks for daylight saving time.
How do I convert AEST to HST?
Subtract 21 hours from the AEST time to get the HST time (at today's difference). 9:00 AM in AEST is 12:00 PM in HST (the day before). Or use the converter above and pick any date and time.
What is the current time in HST?
It is 2:02 PM in HST on Monday, November 9 (the converter above shows it live). At the same moment it is 11:02 AM in AEST.
Does the time difference between AEST and HST change during the year?
Yes. Right now HST is 21 hours behind AEST. Over the next 12 months the gap changes 2 times: Sunday, 4 April 2027: AEST moves its clocks back. HST is 20 hours behind AEST from then (it was 21 hours before). Sunday, 3 October 2027: AEST moves its clocks forward. HST is 21 hours behind AEST from then (it was 20 hours before).
What is the best time for a meeting between AEST and HST?
Between 9 AM and 6 PM in both places you can meet at 9:00 AM – 3:00 PM AEST = 12:00 PM – 6:00 PM HST. Check the overlap section on this page for every option.
What does AEST mean?
Sydney and Melbourne use AEST (UTC+10:00) in winter and AEDT (UTC+11:00) in summer. Brisbane stays on AEST all year.
What does HST mean?
Hawaii does not use daylight saving time.