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Convert Australian Western Time to Hawaii-Aleutian Time

AWST · UTC+8 → HAST · UTC−10

AWST is 18 hours ahead of HAST

Today Perth is on AWST (UTC+8) and Adak on HADT (UTC−9), so right now Perth is 17 hours ahead of Adak.

Perth · AWST

Wednesday, 7 October 2026

Adak · HADT

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
PerthAWST · +08:00
0003060912151821
AdakHADT · -09:00
0710131619220104

Shared working hours: 09:00–11:00 in Perth is 16:00–18:00 in Adak.

Working (09–18) Awake, off the clock Asleep (23–07)

Pick a time and share it

19:25 Wed 7 Oct Perth = 02:25 Wed 7 Oct Adak

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Hour-by-hour conversion

Perth (AWST)Adak (HAST)
00:0007:00prev. day
01:0008:00prev. day
02:0009:00prev. day
03:0010:00prev. day
04:0011:00prev. day
05:0012:00prev. day
06:0013:00prev. day
07:0014:00prev. day
08:0015:00prev. day
09:0016:00prev. dayBoth at work
10:0017:00prev. dayBoth at work
11:0018:00prev. day
12:0019:00prev. day
13:0020:00prev. day
14:0021:00prev. day
15:0022:00prev. day
16:0023:00prev. day
17:0000:00
18:0001:00
19:0002:00Now
20:0003:00
21:0004:00
22:0005:00
23:0006:00

About this conversion

AWST here means Australian Western Time, represented by Perth (Australia/Perth), currently UTC+8. HAST means Hawaii-Aleutian Time, represented by Adak (America/Adak), currently UTC−9.

HAST is used by 2 zones, including United States. See every meaning of HAST.

Working hours are shown as 09:00–18:00 local, and sleeping hours as 23:00–07:00. The hour table is anchored on the current day in Perth; day boundaries are marked where the date differs.

Quick answers

  • 09:00 AWST is 16:00 HAST
  • 12:00 AWST is 19:00 HAST
  • 15:00 AWST is 22:00 HAST
  • 18:00 AWST is 01:00 HAST

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