let
Source = #table(type table[LastRefresh=datetime], {{DateTime.LocalNow()}}),
#"LocalDateTime" = Table.AddColumn(Source, "LastRefeshLocal", each DateTime.AddZone([LastRefresh], 5)),
#"Changed Type" = Table.TransformColumnTypes(LocalDateTime,{{"LastRefeshLocal", type datetime}, {"LastRefresh", type datetime}})
in
#"Changed Type"