Clock Changes in Roseau, Dominica

Daylight Saving Time (DST) Not Observed in Year 2018

Roseau currently observes Atlantic Standard Time (AST) all year.

Daylight Saving Time has never been used here.

Clocks do not change in Roseau, Dominica.

There is no previous DST change in Roseau.

Which countries & states use DST and which do not?