CKT to UTC Time Converter

Convert Cook Islands Time (CKT) to Coordinated Universal Time (UTC). Both time zones are shown live below; current offset between them is 10 hours ahead.

Rarotonga · Cook Islands Time
01:10:16
Tuesday, May 12, 2026
GMT-10 · UTC-10:00
UTC · Coordinated Universal Time
11:10:16
Tuesday, May 12, 2026
UTC · UTC+00:00

Convert a specific time

From: CKT (Rarotonga)
To: UTC (UTC)
--:--

Daylight Saving status right now

CKT (Cook Islands Time)
Observes DST
No
UTC (Coordinated Universal Time)
Observes DST
No

When can CKT and UTC meet?

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01
02
03
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08
09
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CKT
UTC
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Rarotonga (CKT). Each row shows the local working-hours state in that zone for the same moment in time.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 08:00–08:00 CKT (18:00–18:00 UTC).

Hour-by-hour CKT to UTC conversion table

CKT time (Rarotonga)UTC time (UTC)Status
00:00 Tue10:00 TueUTC working
01:00 Tue11:00 TueUTC working
02:00 Tue12:00 TueUTC working
03:00 Tue13:00 TueUTC working
04:00 Tue14:00 TueUTC working
05:00 Tue15:00 TueUTC working
06:00 Tue16:00 TueUTC working
07:00 Tue17:00 TueOff-hours both sides
08:00 Tue18:00 TueOff-hours both sides
09:00 Tue19:00 TueCKT working
10:00 Tue20:00 TueCKT working
11:00 Tue21:00 TueCKT working
12:00 Tue22:00 TueCKT working
13:00 Tue23:00 TueCKT working
14:00 Tue00:00 WedCKT working
15:00 Tue01:00 WedCKT working
16:00 Tue02:00 WedCKT working
17:00 Tue03:00 WedOff-hours both sides
18:00 Tue04:00 WedOff-hours both sides
19:00 Tue05:00 WedOff-hours both sides
20:00 Tue06:00 WedOff-hours both sides
21:00 Tue07:00 WedOff-hours both sides
22:00 Tue08:00 WedOff-hours both sides
23:00 Tue09:00 WedUTC working

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Cook Islands Time (CKT)
IANA identifier
Pacific/Rarotonga
Current UTC offset
UTC-10:00
Current abbreviation
GMT-10
Major cities in this zone
Rarotonga
Coordinated Universal Time (UTC)
IANA identifier
UTC
Current UTC offset
UTC+00:00
Current abbreviation
UTC
Major cities in this zone
UTC

Related converters

UTC to CKT (reverse)CKT to ESTCKT to PSTCKT to GMTCKT to CETCKT to ISTEST to UTCPST to UTCGMT to UTCCET to UTCIST to UTC
Looking for local time? See time in Rarotonga or time in UTC.

Frequently asked questions

What is the time difference between CKT and UTC right now?+
UTC (Coordinated Universal Time) is currently 10 hours ahead CKT (Cook Islands Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does CKT or UTC observe daylight saving time?+
CKT: does not observe daylight saving time. UTC: does not observe daylight saving time.
When is the best time to schedule a meeting between CKT and UTC?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 08:00–08:00 CKT (18:00–18:00 UTC).
What time is it in UTC when it is 12:00 noon in Rarotonga?+
When it is 12:00 Tue in Rarotonga (CKT), it is 22:00 Tue in UTC (UTC).
Which IANA time zone identifiers are used for CKT and UTC?+
CKT maps to "Pacific/Rarotonga" in the IANA database. UTC maps to "UTC". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Rarotonga ahead of or behind UTC?+
Whether Rarotonga (CKT) is ahead of or behind UTC (UTC) depends on the current UTC offsets. Right now UTC is 10 hours ahead CKT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for CKT and UTC?+
CKT is UTC-10:00 (GMT-10) and UTC is UTC+00:00 (UTC). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both CKT and UTC?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between CKT and UTC is 08:00–08:00 CKT.