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Convert Cook Islands Time to Hawaii-Aleutian Time

CKT · UTC−10 → HAST · UTC−10

CKT and HAST are the same time right now

Today Avarua is on UTC-10 (UTC−10) and Adak on HADT (UTC−9), so right now Avarua is 1 hour behind Adak.

Avarua · UTC-10

Wednesday, 7 October 2026

Adak · HADT

Wednesday, 7 October 2026

When are both sides at work?

0003060912151821
AvaruaUTC-10 · -10:00
0003060912151821
AdakHADT · -09:00
0104071013161922

Shared working hours: 09:00–17:00 in Avarua is 10:00–18:00 in Adak.

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

Pick a time and share it

01:27 Wed 7 Oct Avarua = 02:27 Wed 7 Oct Adak

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Hour-by-hour conversion

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

About this conversion

CKT here means Cook Islands Time, represented by Avarua (Pacific/Rarotonga), 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 Avarua; day boundaries are marked where the date differs.

Quick answers

  • 09:00 CKT is 10:00 HAST
  • 12:00 CKT is 13:00 HAST
  • 15:00 CKT is 16:00 HAST
  • 18:00 CKT is 19:00 HAST

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