Singapore doesn't observe daylight saving time but San Jose does. DST in San Jose started on 10 March 2019 and will end on 03 November 2019. Once DST ends in San Jose the time difference between San Jose 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