Tangshan doesn't observe daylight saving time but High Level does. DST in High Level started on 10 March 2019 and will end on 03 November 2019. Once DST ends in High Level the time difference between Tangshan and High Level will be -15:0 hours.
Time zone: CST - China Standard Time (UTC/GMT +8)Time zone difference / Flight distance
Time zone: MDT - Mountain Daylight Time (UTC/GMT -6)DST started on 10 March 2019DST will end on 03 November 2019Time zone difference / Flight distance