 prevent it from being taken apart by your shell or use
'_' (underscore) or ',' (comma) which also count as whitespace
(e.g., midnight_Thu or midnight,Thu).</p>
<p>
</p>
<h2><a name="time_specification_examples">TIME SPECIFICATION EXAMPLES</a></h2>
<p><em>Oct 12</em> -- October 12 this year</p>
<p><em>-1month</em> or <em>-1m</em> -- current time of day, only a month before
(may yield surprises, see NOTE3 above).</p>
<p><em>noon yesterday -3hours</em> -- yesterday morning; can also be specified
as <em>9am-1d