1. <a href="http:&#x2F;&#x2F;strftime.org&#x2F;" rel="nofollow">http:&#x2F;&#x2F;strftime.org&#x2F;</a> is not easy to remember<p>2. You could format it with a placeholder for the hours, then replace the placeholder with the hours you want.  Oddly this is only a problem for 24 hour time, 12 hour time lets you drop the leading zero.