ACST to HST Converter

HST is 19h 30m behind ACST. When it's 12:00 PM ACST, it's 4:30 PM (−1 day) HST.

From

ACST · UTC+9:30

1:39:55PM

Australian Central Standard Time

e.g. Adelaide, Darwin

To

HST · UTC-10

6:09:55PM

Hawaii Standard Time

e.g. Honolulu

Open in World ClockHST → ACST
9:00 AM ACST=1:30 PM(−1 day) HST
12:00 PM ACST=4:30 PM(−1 day) HST
5:00 PM ACST=9:30 PM(−1 day) HST

Hourly conversion (ACST → HST)

ACSTHST
12:00 AM4:30 AM(−1 day)
1:00 AM5:30 AM(−1 day)
2:00 AM6:30 AM(−1 day)
3:00 AM7:30 AM(−1 day)
4:00 AM8:30 AM(−1 day)
5:00 AM9:30 AM(−1 day)
6:00 AM10:30 AM(−1 day)
7:00 AM11:30 AM(−1 day)
8:00 AM12:30 PM(−1 day)
9:00 AM1:30 PM(−1 day)
10:00 AM2:30 PM(−1 day)
11:00 AM3:30 PM(−1 day)
12:00 PM4:30 PM(−1 day)
1:00 PM5:30 PM(−1 day)
2:00 PM6:30 PM(−1 day)
3:00 PM7:30 PM(−1 day)
4:00 PM8:30 PM(−1 day)
5:00 PM9:30 PM(−1 day)
6:00 PM10:30 PM(−1 day)
7:00 PM11:30 PM(−1 day)
8:00 PM12:30 AM
9:00 PM1:30 AM
10:00 PM2:30 AM
11:00 PM3:30 AM

Shaded rows are within standard working hours (8am–6pm) on both sides.

Hawaii does not observe daylight saving time, so HST (UTC−10) applies year-round.

More ACST conversions

Frequently asked questions

What is the time difference between ACST and HST?
HST is 19h 30m behind ACST. ACST is UTC+9:30 and HST is UTC-10.
What is 12:00 PM ACST in HST?
12:00 PM ACST is 4:30 PM (−1 day) HST.
Does ACST change for daylight saving time?
ACST is a fixed offset of UTC+9:30 and does not itself change for daylight saving time.