What is the difference between CLT and ART?
CLT is 2 hours behind ART. Argentina Standard Time (ART) is used in Argentina, while Chile follows CLT.
UTC time
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CLT
Chile Standard Time
16 Nov 2025
Frequently Asked Questions
Does this area observe DST?
Yes, Chile observes daylight saving time, shifting to CLST (Chile Summer Standard Time) during the summer months.
Which major cities follow this pattern?
Santiago, the capital of Chile, and other major cities such as Valparaíso follow this schedule.
What areas share the same hours?
Peru and Colombia follow the same hours as Chile during the standard period, though Chile switches during the summer.
How does this compare with UTC?
CLT is 4 hours behind UTC.
Why doesn't this area observe DST year-round?
The country observes daylight saving time to better align working hours with daylight during the summer months, optimizing energy usage.
How did this system get established?
CLT was established to standardize the hours across the country, with adjustments for daylight saving made to maximize daylight in summer.
What are the typical work hours here?
Business hours in Chile are generally from 9:00 AM to 6:00 PM, with a break for lunch in the afternoon.
What is the economic importance of this area?
Chile’s economy is driven by mining, agriculture, and forestry, with a strong emphasis on exports of copper and wine.