Vientiane doesn't observe daylight saving time but Beirut does. DST in Beirut started on 31 March 2019 and will end on 27 October 2019. Once DST ends in Beirut the time difference between Beirut and Vientiane will be 5:0 hours.
Time zone: EEST - Eastern European Summer Time (UTC/GMT +3)DST started on 31 March 2019DST will end on 27 October 2019Time zone difference / Flight distance
Time zone: ICT - Indochina Time (UTC/GMT +7)Time zone difference / Flight distance