Method setDateTimeSpec

qcustomplot/qcustomplot.cpp:5930–5933

! Sets the time spec that is used for creating the tick labels from corresponding dates/times. The default value of QDateTime objects (and also QCPAxisTickerDateTime) is Qt::LocalTime . However, if the date time values passed to QCustomPlot (e.g. in the form of axis ranges or keys of a plottable) are given in the UTC spec, set \a spec to Qt::UTC to get the correct axis

  \see setDateTimeFormat
*/
void QCPAxisTickerDateTime::setDateTimeSpec(Qt::TimeSpec spec)
{
  mDateTimeSpec = spec;
}

/*!
  Sets the tick origin (see \ref QCPAxisTicker::setTickOrigin) in seconds since Epoch (1. Jan 1970,