K2 defaults to adding:

‘Published by btm on April 16, 2009 in Uncategorized’

to posts, which doesn’t include the time, which is sometimes contextually important. This is controlled in ‘theloop.php’ in K2, which uses the date_format, which you can set under ‘Settings -> General’ in the wordpress configuration. The format is the php date format. Simply using ‘r’ is the best, since it provides a nice RFC 2822 formatted date like:

‘Published by btm on Mon, 20 Apr 2009 09:28:48 -0700 in Uncategorized’.