ACST to HDT Converter
Convert time between Australian Central Time (ACT) and Hawaii Daylight Time (HDT).


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Time Zone Comparison Chart

Compare the selected time across multiple time zones. Click hours in the source timezone to change time.

ACST → HDT conversion table

What time it is in HDT for each hour in ACST today. +1 = next calendar day

ACST to HDT — 24-hour conversion
ACST HDT
00:00 04:30 (2026-09-25)
01:00 05:30 (2026-09-25)
02:00 06:30 (2026-09-25)
03:00 07:30 (2026-09-25)
04:00 08:30 (2026-09-25)
05:00 09:30 (2026-09-25)
06:00 10:30 (2026-09-25)
07:00 11:30 (2026-09-25)
08:00 12:30 (2026-09-25)
09:00 13:30 (2026-09-25)
10:00 14:30 (2026-09-25)
11:00 15:30 (2026-09-25)
12:00 16:30 (2026-09-25)
13:00 17:30 (2026-09-25)
14:00 18:30 (2026-09-25)
15:00 19:30 (2026-09-25)
16:00 20:30 (2026-09-25)
17:00 21:30 (2026-09-25)
18:00 22:30 (2026-09-25)
19:00 23:30 (2026-09-25)
20:00 00:30
21:00 01:30
22:00 02:30
23:00 03:30
Morning
12:00 AM ACST 4:30 AM HDT +1
1:00 AM ACST 5:30 AM HDT +1
2:00 AM ACST 6:30 AM HDT +1
3:00 AM ACST 7:30 AM HDT +1
4:00 AM ACST 8:30 AM HDT +1
5:00 AM ACST 9:30 AM HDT +1
6:00 AM ACST 10:30 AM HDT +1
7:00 AM ACST 11:30 AM HDT +1
8:00 AM ACST 12:30 PM HDT +1
9:00 AM ACST 1:30 PM HDT +1
10:00 AM ACST 2:30 PM HDT +1
11:00 AM ACST 3:30 PM HDT +1
Afternoon
12:00 PM ACST 4:30 PM HDT +1
1:00 PM ACST 5:30 PM HDT +1
2:00 PM ACST 6:30 PM HDT +1
3:00 PM ACST 7:30 PM HDT +1
4:00 PM ACST 8:30 PM HDT +1
5:00 PM ACST 9:30 PM HDT +1
Evening
6:00 PM ACST 10:30 PM HDT +1
7:00 PM ACST 11:30 PM HDT +1
8:00 PM ACST 12:30 AM HDT
9:00 PM ACST 1:30 AM HDT
10:00 PM ACST 2:30 AM HDT
11:00 PM ACST 3:30 AM HDT

Frequently asked questions

Use the hour-by-hour table below to see how each clock hour in Australian Central Time (ACT) maps to Hawaii Daylight Time (HDT). Offsets can change with daylight saving.

Enter a time in the converter above, or look up the matching row in the 24-hour conversion table. Both times use today's date in their respective zones.

Yes. When either zone observes DST, the offset between them can shift by an hour. The table reflects the offset for today.