ng the equivalent time difference in seconds for this shift and applying this difference to subsequent tags in a batch conversion. So if it works as designed, the behaviour should be both intuitive and mathematically correct, and the user shouldn&#39;t have to worry about details such as this (in keeping with Perl&#39;s &quot;do the right thing&quot; philosophy).</p>

<h1 id="BUGS">BUGS</h1>

<p>Due to the use of the standard time library functions, dates are typically limited to the range 1970 to 2038 on 3