[FORGED] Datetime misrepresented on x-axis of a multiple plot

Dear Contributors,
I am trying to do a plot with multiple y-axis on a common x-axis.

<SNIP>

I would strongly advise you *not* to.  This, although often done, is a 
bad practice, and can sometimes (often) give misleading impressions.  See

     https://blog.datawrapper.de/dualaxis/

cheers,

Rolf

Honorary Research Fellow
Department of Statistics
University of Auckland
Phone: +64-9-373-7599 ext. 88276