It is the current local time right now in Roseau, Portsmouth, Marigot, Berekua, Mahaut and in all Dominica’s cities. 
Dominica’s time zone: AST or UTC-04:00

No daylight saving time (DST) in Dominica.

Full name: Commonwealth of Dominica
Continent: North America
Region: Caribbean
Population: 72,813
Area: 754 km²
Capital: Roseau
Currency: Dollar (XCD)
Phone code: +1-767
Domain: .dm
Wikipedia article: Dominica