Singapore doesn't observe daylight saving time but Jerusalem does. DST in Jerusalem started on 29 March 2019 and will end on 27 October 2019. Once DST ends in Jerusalem the time difference between Jerusalem and Singapore will be 6:0 hours.
Time zone: IDT - Israel Daylight Time (UTC/GMT +3)DST started on 29 March 2019DST will end on 27 October 2019Time zone difference / Flight distance
Time zone: SGT - Singapore Time (UTC/GMT +8)Time zone difference / Flight distance