%%
%% The LaTeX Companion, 2ed (second printing August 2004)
%%
%% Example A-3-4 on page 873.
%%
%% Copyright (C) 2004 Frank Mittelbach, Michel Goossens,
%%    Johannes Braams, David Carlisle, and Chris Rowley
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{135.0pt}
\StartShownPreambleCommands
\usepackage{ifthen,calc}
\newcounter{hours}\newcounter{minutes}
\StopShownPreambleCommands
\begin{document}
\newcommand{\Printtime}{\setcounter{hours}{\time/60}%
      \setcounter{minutes}{\time-\value{hours}*60}%
      \ifthenelse{\value{hours}<10}{0}{}\thehours:%
      \ifthenelse{\value{minutes}<10}{0}{}\theminutes}
The current time is ``\Printtime''.
\end{document}