ACST Time to HAST Time Converter

Warning! ACST has automatically switched to ACDT
HAST has automatically switched to HADT

ACST stands for Australian Central Standard Time (NOT in use)

ACDT stands for Australian Central Daylight Time (in use)

HAST stands for Hawaii-Aleutian Standard Time (NOT in use)

HADT stands for Hawaii-Aleutian Daylight Time (in use)

ACDT = UTC + 10:30

10:06:12

Thursday, October 16, 2025

HADT = UTC - 09:00

14:36:12

Wednesday, October 15, 2025

ACDT(Australian Central Daylight Time) and HADT(Hawaii-Aleutian Daylight Time) Mapping Table
Australian Central Daylight Time(ACDT)	Hawaii-Aleutian Daylight Time(HADT)
00:00	04:30-1 day
01:00	05:30-1 day
02:00	06:30-1 day
03:00	07:30-1 day
04:00	08:30-1 day
05:00	09:30-1 day
06:00	10:30-1 day
07:00	11:30-1 day
08:00	12:30-1 day
09:00	13:30-1 day
10:00	14:30-1 day
11:00	15:30-1 day
12:00	16:30-1 day
13:00	17:30-1 day
14:00	18:30-1 day
15:00	19:30-1 day
16:00	20:30-1 day
17:00	21:30-1 day
18:00	22:30-1 day
19:00	23:30-1 day
20:00	00:30
21:00	01:30
22:00	02:30
23:00	03:30

ACDT(Australian Central Daylight Time)

Australian Central Daylight Time(ACDT) is 10:30 hours ahead of Coordinated Universal(UTC) Time.This timezone is a Daylight Saving Time timezone and is used in: AustraliaAustralian Central Daylight Time is a half-hour time zone. Its local time differs by 30 minutes instead of the normal whole hour.

Typical City of ACDT (Australian Central Daylight Time)

Australia - Adelaide (Summer)

HADT(Hawaii-Aleutian Daylight Time)

Hawaii-Aleutian Daylight Time(HADT) is 09:00 hours behind Coordinated Universal(UTC) Time.This timezone is a Daylight Saving Time timezone and is used in: North America

Typical City of HADT (Hawaii-Aleutian Daylight Time)

USA - Adak (Summer)