<p>date +%s will give you the epoch and you can * from the right to find periods of time for your search.</p> <ol> <li><p>$ date +%b%s RETURNS: Aug1282844071</p></li> <li><p>$ date +%s RETURNS 1282844082</p></li> <li><p>epoch/date converter:</p></li> </ol> <p><a href="http://www.epochconverter.com/" rel="nofollow">http://www.epochconverter.com/</a></p>