Nukualofa doesn't observe daylight saving time but New York does. DST in New York started on 10 March 2019 and will end on 03 November 2019. Once DST ends in New York the time difference between Nukualofa and New York will be -18:0 hours.
Time zone: TOT - Tonga Time (UTC/GMT +13)Time zone difference / Flight distance
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