Surabaya doesn't observe daylight saving time but Markham does. DST in Markham started on 10 March 2019 and will end on 03 November 2019. Once DST ends in Markham the time difference between Surabaya and Markham will be -12:0 hours.
Time zone: WIB - Western Indonesian Time (UTC/GMT +7)Time zone difference / Flight distance
Time zone: EDT - Eastern Daylight Time (UTC/GMT -4)DST started on 10 March 2019DST will end on 03 November 2019Time zone difference / Flight distance