breviated form (e.g., Dec for December, Sun for Sunday, etc.). The
words <strong>now</strong>, <strong>start</strong>, <strong>end</strong> can be abbreviated as <strong>n</strong>, <strong>s</strong>, <strong>e</strong>.</p>
<p>
</p>
<h2><a name="time_offset_specification">TIME OFFSET SPECIFICATION</a></h2>
<p>The time offset specification is used to add/subtract certain time
intervals to/from the time reference moment. It consists of a <em>sign</em>
(<strong>+</strong>&nbsp;or&nbsp;<strong>-</strong>) and