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Convert Dumont-d’Urville Time to Hawaii-Aleutian Time

DDUT · UTC+10 → HAST · UTC−10

DDUT is 20 hours ahead of HAST

Today DumontDUrville is on UTC+10 (UTC+10) and Adak on HADT (UTC−9), so right now DumontDUrville is 19 hours ahead of Adak.

DumontDUrville · UTC+10

Wednesday, 7 October 2026

Adak · HADT

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
DumontDUrvilleUTC+10 · +10:00
0003060912151821
AdakHADT · -09:00
0508111417202302

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

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

Pick a time and share it

21:23 Wed 7 Oct DumontDUrville = 02:23 Wed 7 Oct Adak

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Hour-by-hour conversion

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

About this conversion

DDUT here means Dumont-d’Urville Time, represented by DumontDUrville (Antarctica/DumontDUrville), currently UTC+10. 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 DumontDUrville; day boundaries are marked where the date differs.

Quick answers

  • 09:00 DDUT is 14:00 HAST
  • 12:00 DDUT is 17:00 HAST
  • 15:00 DDUT is 20:00 HAST
  • 18:00 DDUT is 23:00 HAST

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