Santo Domingo doesn't observe daylight saving time but Monterrey does. DST in Monterrey started on 07 April 2019 and will end on 27 October 2019. Once DST ends in Monterrey the time difference between Monterrey and Santo Domingo will be 2:0 hours.
Time zone: CDT - Central Daylight Time (UTC/GMT -5)DST started on 07 April 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