Willemstad doesn't observe daylight saving time but Kiev does. DST in Kiev started on 31 March 2019 and will end on 27 October 2019. Once DST ends in Kiev the time difference between Kiev and Willemstad will be -6:0 hours.
Time zone: EEST - Eastern European Summer Time (UTC/GMT +3)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