UTC to CKT Time Converter

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

UTC · Coordinated Universal Time
19:15:27
Tuesday, May 12, 2026
UTC · UTC+00:00
Rarotonga · Cook Islands Time
09:15:27
Tuesday, May 12, 2026
GMT-10 · UTC-10:00

Convert a specific time

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

Daylight Saving status right now

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

When can UTC and CKT meet?

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09
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UTC
CKT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in UTC (UTC). 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 18:0018:00 UTC (08:0008:00 CKT).

Hour-by-hour UTC to CKT conversion table

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

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

Related converters

Looking for local time? See time in UTC or time in Rarotonga.

Frequently asked questions

What is the time difference between UTC and CKT right now?+
CKT (Cook Islands Time) is currently 10 hours behind UTC (Coordinated Universal Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does UTC or CKT observe daylight saving time?+
UTC: does not observe daylight saving time. CKT: does not observe daylight saving time.
When is the best time to schedule a meeting between UTC and CKT?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 18:00–18:00 UTC (08:00–08:00 CKT).
What time is it in Rarotonga when it is 12:00 noon in UTC?+
When it is 12:00 Tue in UTC (UTC), it is 02:00 Tue in Rarotonga (CKT).
Which IANA time zone identifiers are used for UTC and CKT?+
UTC maps to "UTC" in the IANA database. CKT maps to "Pacific/Rarotonga". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is UTC ahead of or behind Rarotonga?+
Whether UTC (UTC) is ahead of or behind Rarotonga (CKT) depends on the current UTC offsets. Right now CKT is 10 hours behind UTC. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for UTC and CKT?+
UTC is UTC+00:00 (UTC) and CKT is UTC-10:00 (GMT-10). 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 UTC and CKT?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between UTC and CKT is 18:00–18:00 UTC.