Singapore doesn't observe daylight saving time but Saint John does. DST in Saint John started on 10 March 2019 and will end on 03 November 2019. Once DST ends in Saint John the time difference between Saint John and Singapore will be 12:0 hours.
Time zone: ADT - Atlantic Daylight Time (UTC/GMT -3)DST started on 10 March 2019DST will end on 03 November 2019Time zone difference / Flight distance
Time zone: SGT - Singapore Time (UTC/GMT +8)Time zone difference / Flight distance