Singapore doesn't observe daylight saving time but Riverside does. DST in Riverside started on 10 March 2019 and will end on 03 November 2019. Once DST ends in Riverside the time difference between Riverside and Singapore will be 16:0 hours.
Time zone: PDT - Pacific Daylight Time (UTC/GMT -7)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