#!/usr/local/bin/gnuplot -persist
# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'timedat.2.png'
set ydata time
set format y "% h" timedate
set timefmt "%s"
unset key
set offsets 0.5, 1.5, 0.2, 0.2
unset parametric
set xtics  norangelimit 
set xtics   ()
set ytics  norangelimit 
set ytics   ()
set title "Time data on Y, millisecond precision" 
set title  font ",14" textcolor lt -1 norotate
set xrange [ * : * ] noreverse writeback
set x2range [ * : * ] noreverse writeback
set yrange [ * : * ] noreverse writeback
set y2range [ * : * ] noreverse writeback
set zrange [ * : * ] noreverse writeback
set cbrange [ * : * ] noreverse writeback
set rrange [ * : * ] noreverse writeback
set colorbox vertical origin screen 0.9, 0.2 size screen 0.05, 0.6 front  noinvert bdefault
fulltime(col) = strftime("%d %b %Y\n%H:%M:%.3S",column(col))
parttime(col) = strftime("%H:%M:%.3S",column(col))
NO_ANIMATION = 1
## Last datafile plotted: "-"
plot '-' using 0:1:(fulltime(1)):xticlabels(2):yticlabels(parttime(1))          with labels point pt 7 left offset 1,1 font ",7"