Mataram doesn't observe daylight saving time but Surrey does. DST in Surrey started on 10 March 2019 and will end on 03 November 2019. Once DST ends in Surrey the time difference between Mataram and Surrey will be -16:0 hours.
Time zone: WITA - Central Indonesian Time (UTC/GMT +8)Time zone difference / Flight distance
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