UTC-4:
UTC-4: Blue (December), Orange (June), Yellow (all year round), Light Blue - Sea areas
UTC−4 is the time offset used in the Atlantic Standard Time Zone in Canada in winter and the North American Eastern Time Zone during daylight saving time (DST), in the Caribbean region this is considered as the Eastern Caribbean (ECT) timezone. There are possibly other various names in other countries.
[edit] As Standard Time (all year round)
ECT - Eastern Caribbean Time Zone
Other Caribbean
South America
North America
[edit] As Standard Time (Northern Hemisphere winter)
AST—Atlantic Standard Time
[edit] As Standard Time (Southern Hemisphere winter)
[edit] As DST Time (Northern Hemisphere Summer)
North American Eastern Time Zone during daylight saving time
 Canada
 United States
- all of
 Connecticut, Delaware,  District of Columbia,  Georgia (U.S. state),  Maine,  Maryland, Massachusetts,  New Hampshire,  New Jersey, New York,  North Carolina,  Ohio,  Pennsylvania,  Rhode Island,  South Carolina,  Vermont,  Virginia,  West Virginia
- most of
 Florida,  Indiana,  Michigan
- Eastern parts of
 Kentucky,  Tennessee
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