What is the difference between CIST and UTC?
CIST is 8 hours behind UTC.
UTC time
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CIST
Clipperton Island
3 Dec 2025
Frequently Asked Questions
Does this area observe DST?
No, CIST does not observe daylight saving time and remains on standard hours throughout the year.
Which major cities follow this pattern?
Clipperton Island is the only significant area following this schedule.
What areas share the same hours?
No other major regions share this exact schedule, but some areas in the Pacific Ocean are close.
How does this compare with nearby regions?
CIST is 8 hours behind UTC, which is similar to the time used in certain areas of the Pacific Ocean but not aligned with larger countries or islands.
Why doesn't this area observe DST?
Clipperton Island does not observe daylight saving time because of its small population and limited economic activity.
How did this system get established?
CIST was established to align with the location of Clipperton Island, a French territory in the Pacific, considering its geographical isolation.
What are the typical work hours here?
Given the island's small size and population, there are few formal work hours, but any businesses would generally operate between 8:00 AM and 4:00 PM.
What is the economic importance of this area?
Clipperton Island has minimal economic importance due to its isolation, though it may hold strategic value for scientific research and environmental monitoring.