Singapore doesn't observe daylight saving time but Sao Paulo does. DST in Sao Paulo started on 04 November 2018 and ended on 17 February 2019. When DST is observed in Sao Paulo the time difference between Sao Paulo and Singapore is 10:0 hours.
Time zone: BRT - Brasilia time (UTC/GMT -3)DST started on 04 November 2018DST ended on 17 February 2019Time zone difference / Flight distance
Time zone: SGT - Singapore Time (UTC/GMT +8)Time zone difference / Flight distance