Convert Australian Central Time to Cook Islands Time
Looking to build a web app, a mobile app or a website for your shop or business, or want more leads? Boffin Coders, who build timezones.in, can help. Talk to us → (opens in a new tab)
ACST · UTC+9:30 → CKT · UTC−10
ACST is 19 hours 30 minutes ahead of CKT
Today Adelaide is on ACDT (UTC+10:30) and Avarua on UTC-10 (UTC−10), so right now Adelaide is 20 hours 30 minutes ahead of Avarua.
Adelaide · ACDT
Wednesday, 7 October 2026
Avarua · UTC-10
Wednesday, 7 October 2026
When are both sides at work?Each column is one hour of the day in the first city; the second row shows the same moment in the other city. Gold means office hours (09:00–18:00), dusk means awake but off work, night means asleep (23:00–07:00). Columns where both rows are gold are good meeting times.
Shared working hours: 09:00–14:30 in Adelaide is 12:30–18:00 in Avarua.
Working (09–18) Awake, off the clock Asleep (23–07)
Pick a time and share it
21:53 Wed 7 Oct Adelaide = 01:23 Wed 7 Oct Avarua
Hour-by-hour conversion
| Adelaide (ACST)Every hour of today in the first city, with the matching time in the second. “Next day” means the calendar date is already tomorrow there. The highlighted row is right now. | Avarua (CKT) | |
|---|---|---|
| 00:00 | 03:30prev. day | |
| 01:00 | 04:30prev. day | |
| 02:00 | 05:30prev. day | |
| 03:00 | 06:30prev. day | |
| 04:00 | 07:30prev. day | |
| 05:00 | 08:30prev. day | |
| 06:00 | 09:30prev. day | |
| 07:00 | 10:30prev. day | |
| 08:00 | 11:30prev. day | |
| 09:00 | 12:30prev. day | Both at work |
| 10:00 | 13:30prev. day | Both at work |
| 11:00 | 14:30prev. day | Both at work |
| 12:00 | 15:30prev. day | Both at work |
| 13:00 | 16:30prev. day | Both at work |
| 14:00 | 17:30prev. day | Both at work |
| 15:00 | 18:30prev. day | |
| 16:00 | 19:30prev. day | |
| 17:00 | 20:30prev. day | |
| 18:00 | 21:30prev. day | |
| 19:00 | 22:30prev. day | |
| 20:00 | 23:30prev. day | |
| 21:00 | 00:30 | Now |
| 22:00 | 01:30 | |
| 23:00 | 02:30 |
About this conversion
ACST here means Australian Central Time, represented by Adelaide (Australia/Adelaide), currently UTC+10:30. CKT means Cook Islands Time, represented by Avarua (Pacific/Rarotonga), currently UTC−10.
ACST is used by 2 zones, including Australia. If you meant a different one, see every meaning of ACST.
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 Adelaide; day boundaries are marked where the date differs.
Quick answers
- 09:00 ACST is 12:30 CKT
- 12:00 ACST is 15:30 CKT
- 15:00 ACST is 18:30 CKT
- 18:00 ACST is 21:30 CKT
Related conversions
- Australian Central Time to Chile TimeACST → CLT
- Australian Central Time to Central TimeACST → CST
- Australian Central Time to Eastern European TimeACST → EET
- Australian Central Time to Kyrgyzstan TimeACST → KGT
- Acre Time to Cook Islands TimeACT → CKT
- Australian Eastern Time to Cook Islands TimeAEST → CKT
- Australian Western Time to Cook Islands TimeAWST → CKT
- Cook Islands Time to East Greenland TimeCKT → EGT
- Australian Central Time to India TimeACST → IST
- Cook Islands Time to India TimeCKT → IST
- Time in Adelaidenow, DST, offset
- Time in Avaruanow, DST, offset
