Tucuman doesn't observe daylight saving time but Cincinnati does. DST in Cincinnati started on 10 March 2019 and will end on 03 November 2019. Once DST ends in Cincinnati the time difference between Cincinnati and Tucuman will be 2:0 hours.
Time zone: EDT - Eastern Daylight Time (UTC/GMT -4)DST started on 10 March 2019DST will end on 03 November 2019Time zone difference / Flight distance
Time zone: ART - Argentina Time (UTC/GMT -3)Time zone difference / Flight distance