After reading the discussion, I've arrived at this and just want to share
what I learned
<property name="pattern1"
value="EEEEEEEE dd MMMMMMMM yyyy hh:mm:ss:SSS aa zzzzzzzzzzz" />
<!-- Tuesday 22 May 2001 10:22:38:242 AM Pacific Daylight Time -->
<property name="pattern2" value="E d M y h'h' m'm' s's' S'ms' a z" />
<!-- Tue 22 5 01 10h 31m 53s 670ms AM PDT -->
<target name='init'>
<tstamp>
<format property="MYTIMESTAMP1" pattern="${pattern1}" />
<format property="MYTIMESTAMP2" pattern="${pattern2}" />
</tstamp>
