About

is about either setting time stamps for your document or handling time data in . The former typically involves the \date "field" being set to \today for titles, but could also refer to setting time-related PDF properties.

Common packages associated with date formatting include isodate and datetime.

isodateallows for various formatting of language-specific dates. The command \cleanlookdateon removes the ordinal numbering of the day and simply prints it as a numeric:

\documentclass{article}
\usepackage[UKenglish]{babel}% http://ctan.org/pkg/babel
\usepackage[UKenglish]{isodate}% http://ctan.org/pkg/isodate
\begin{document}
Original date format: \today \par
\cleanlookdateon% Remove ordinal day reference
Modified date format: \today
\end{document}

Modified UK date

A popular package for diagrams/plots involving time data is pgfplots.

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