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Convert Gulf Time to Hawaii-Aleutian Time

GST · UTC+4 → HAST · UTC−9

GST is 13 hours ahead of HAST

Dubai · GST

Tuesday, 8 September 2026

Adak · HADT

Monday, 7 September 2026

When are both sides at work?

0003060912151821
DubaiGST · +04:00
0003060912151821
AdakHADT · -09:00
1114172023020508

No overlap in standard working hours. Closest workable window: 09:00–12:00 in Dubai, which is 20:00–23:00 in Adak.

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

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11:05 Tue 8 Sep Dubai = 22:05 Mon 7 Sep Adak

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Hour-by-hour conversion

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

About this conversion

GST here means Gulf Time, represented by Dubai (Asia/Dubai), currently UTC+4. HAST means Hawaii-Aleutian Time, represented by Adak (America/Adak), currently UTC−9.

GST is used by 3 zones, including United Arab Emirates. If you meant a different one, see every meaning of GST.

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 Dubai; day boundaries are marked where the date differs.

Quick answers

  • 09:00 GST is 20:00 HAST
  • 12:00 GST is 23:00 HAST
  • 15:00 GST is 02:00 HAST
  • 18:00 GST is 05:00 HAST

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