Base.Dates.format(DateTime(2017,2,28,12,45), "dd.mm.yy HH:MM")
"28.02.17 12:45"
works well, but this
using Base.Dates
format(DateTime(2017,2,28,12,45), "dd.mm.yy HH:MM")
UndefVarError: format not defined
works not. What is wrong with my using “using”?