CST time now |
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05:24:11 Sat, 28 Jun 2025
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| UTC Offset: UTC -5 |
Cuba Standard Time (CST) operates at UTC−5 hours and is the official time zone of Cuba. Sometimes referred to simply as "Cuban Time," CST observes daylight saving time in the summer months, shifting to Cuba Daylight Time (CDT, UTC−4). This time zone provides a consistent framework for coordinating activities across the island nation throughout most of the year.
Importance and Global Use of CST
CST is vital for organizing daily life and business within Cuba, supporting transportation, government services, and tourism. With many international visitors and a growing private sector, having a stable and recognized time standard helps the country manage travel schedules, local commerce, and seasonal time changes smoothly.
Globally, Cuba Standard Time is important for coordinating trade, diplomacy, and cultural exchanges with North America and the Caribbean. Its shared UTC−5 offset aligns with Eastern Standard Time in the United States during winter, which simplifies cross-border communication and supports economic ties with one of Cuba's largest nearby markets.
Where and When CST is used worldwide
Caribbean
Caribbean countries using CST during winter and CDT during summer
- Cuba
Other Time Zones in UTC -5
Other time zones share the same offset as Cuba Standard Time (CST), but are known by different names. While their clocks align, they may represent different regions or countries based on local time zone definitions.
- Acre Time – ACT
- Central Daylight Time – CDT
- Colombia Time – COT
- Easter Island Summer Time – EASST
- Ecuador Time – ECT
- Eastern Standard Time – EST
- Peru Time – PET