Santo Domingo doesn't observe daylight saving time but Frankfurt does. DST in Frankfurt started on 31 March 2019 and will end on 27 October 2019. Once DST ends in Frankfurt the time difference between Frankfurt and Santo Domingo will be -5:0 hours.
Time zone: CEST - Central European Summer Time (UTC/GMT +2)DST started on 31 March 2019DST will end on 27 October 2019Time zone difference / Flight distance
Time zone: AST - Atlantic Standard Time (UTC/GMT -4)Time zone difference / Flight distance