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Convert Cocos Islands Time to Hawaii-Aleutian Time

CCT · UTC+6:30 → HAST · UTC−10

CCT is 16 hours 30 minutes ahead of HAST

Today West Island is on UTC+6:30 (UTC+6:30) and Adak on HADT (UTC−9), so right now West Island is 15 hours 30 minutes ahead of Adak.

West Island · UTC+6:30

Wednesday, 7 October 2026

Adak · HADT

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
West IslandUTC+6:30 · +06:30
0003060912151821
AdakHADT · -09:00
0811141720230205

Shared working hours: 09:00–09:30 in West Island is 17:30–18:00 in Adak.

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

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17:56 Wed 7 Oct West Island = 02:26 Wed 7 Oct Adak

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Hour-by-hour conversion

West Island (CCT)Adak (HAST)
00:0008:30prev. day
01:0009:30prev. day
02:0010:30prev. day
03:0011:30prev. day
04:0012:30prev. day
05:0013:30prev. day
06:0014:30prev. day
07:0015:30prev. day
08:0016:30prev. day
09:0017:30prev. dayBoth at work
10:0018:30prev. day
11:0019:30prev. day
12:0020:30prev. day
13:0021:30prev. day
14:0022:30prev. day
15:0023:30prev. day
16:0000:30
17:0001:30Now
18:0002:30
19:0003:30
20:0004:30
21:0005:30
22:0006:30
23:0007:30

About this conversion

CCT here means Cocos Islands Time, represented by West Island (Indian/Cocos), currently UTC+6:30. 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 West Island; day boundaries are marked where the date differs.

Quick answers

  • 09:00 CCT is 17:30 HAST
  • 12:00 CCT is 20:30 HAST
  • 15:00 CCT is 23:30 HAST
  • 18:00 CCT is 02:30 HAST

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