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From: =?ISO-8859-1?Q?Hans-Bernhard_Br=F6ker?= <HBBroeker@t-online.de>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Newbie queries
Date: Tue, 06 Sep 2011 12:46:45 +0200
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Xref: x330-a1.tempe.blueboxinc.net comp.graphics.apps.gnuplot:571

On 06.09.2011 11:59, dolphin wrote:
> Time data
> 00:00:00 123456
> 00:00:30   7890123
> :
> 23:59:59  234567
>
> Currently, I inserted a new column from 0 with increment of 30 to the
> end and I plotted the graph with 1:3.

You could have avoided the modification by using pseudo-column 0 instead...

> If I want to use HH:MM:SS to display for x-axis, how to go about it to
> plot the graph?

See "help time/date"