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Convert Australian Eastern Time to Hawaii-Aleutian Time

AEST · UTC+10 → HAST · UTC−10

AEST is 20 hours ahead of HAST

Sydney · AEDT

Wednesday, 7 October 2026

Adak · HADT

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
SydneyAEDT · +11:00
0003060912151821
AdakHADT · -09:00
0407101316192201

Shared working hours: 09:00–14:00 in Sydney is 13:00–18:00 in Adak.

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

Pick a time and share it

22:23 Wed 7 Oct Sydney = 02:23 Wed 7 Oct Adak

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Hour-by-hour conversion

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

About this conversion

AEST here means Australian Eastern Time, represented by Sydney (Australia/Sydney), currently UTC+11. HAST means Hawaii-Aleutian Time, represented by Adak (America/Adak), currently UTC−9.

AEST is used by 2 zones, including Australia. If you meant a different one, see every meaning of AEST.

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 Sydney; day boundaries are marked where the date differs.

Quick answers

  • 09:00 AEST is 13:00 HAST
  • 12:00 AEST is 16:00 HAST
  • 15:00 AEST is 19:00 HAST
  • 18:00 AEST is 22:00 HAST

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