CDT time now |
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10:57:40 Sat, 28 Jun 2025
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| UTC Offset: UTC -4 |
Cuba Daylight Time (CDT) operates at UTC−4 hours and is observed in Cuba during the summer months to make better use of daylight. Sometimes referred to as "Cuban Summer Time," CDT shifts clocks forward by one hour from the standard Cuba Standard Time (CST, UTC−5), helping to extend evening daylight and save energy across the country.
Importance and Global Use of CDT
CDT is essential for supporting Cuba's seasonal adjustments, allowing businesses, government services, and transport systems to align schedules during the summer period. By extending daylight hours in the evening, CDT helps reduce electricity consumption and supports tourism activities that benefit from longer daylight.
Globally, CDT provides a clear reference for international coordination during the Cuban summer months. It aligns Cuba with other regions observing daylight time in the Caribbean and parts of North America, making cross-border communication, travel planning, and trade easier during this period.
Where and When CDT is used worldwide
Other Time Zones in UTC -4
Other time zones share the same offset as Cuba Daylight Time (CDT), but are known by different names. While their clocks align, they may represent different regions or countries based on local time zone definitions.
- Amazon Time – AMT
- Atlantic Standard Time – AST
- Bolivia Time – BOT
- Chile Standard Time – CLT
- Eastern Daylight Time – EDT
- Guyana Time – GYT
- Paraguay Time – PYT
- Venezuelan Standard Time – VET