UTC-4

UTC-4

UTC−04:00 makes clocks 4 hours earlier than Coordinated Universal Time. Canada and the United States observe it as Eastern Daylight Time during the warm months of daylight saving time (see Eastern Time Zone). The Atlantic Standard Time Zone observes it during standard time (cold months).

This UTC offset is observed all year in the Eastern Caribbean.

As standard time (all year round)

Eastern Caribbean Time Zone - ECT

Atlantic Standard Time

Other Caribbean

South America

North America

As standard time (Northern Hemisphere winter)

Atlantic Standard Time

As standard time (Southern Hemisphere winter)

South America

As daylight saving time (Northern Hemisphere summer)

Caribbean

Eastern Daylight Time

References

cs:Časové pásmo#UTC-4 Q, AST (Atlantic Standard Time) es:Huso horario#UTC−04:00, Q