Using hyperref for clickable references and PDF metadata in LaTeX documents
Configure hyperref for clickable cross-references and PDF metadata in LaTeX documents compiled with pdfLaTeX.
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Configure hyperref for clickable cross-references and PDF metadata in LaTeX documents compiled with pdfLaTeX.
The goal is a reproducible date and time representation in LaTeX documents that remains comparable across machines, engines and regional settings. The LaTeX kernel provides no timezone-aware primitives. \today and \time reflect the TeX engine’s internal clock derived from system local time without zone information. The datetime2 package’s \DTMnow formats the
TeX's \time , \day , \month , and \year primitives report the host operating system's local clock at engine start without any time zone awareness. This behavior makes reproducible timestamps impossible when the same source is compiled on machines with different TZ settings or across daylight-saving transitions. PDF metadata fields such as \pdfcreationdate in