Recent comments in the sidebar

Note: Save your template and do this at your own risk. Also, this article assumes you are using a classic template (without the Layouts features).

Providing a handy list of recent comments is a good way to let visitors see who else is reading and commenting on your blog. Also, if they are following any of the comment threads, it will be easier for them to see at a glance if other people have joined in the discussions. This feature might sit in your sidebar and look something like this:
The date on each line will link to the page holding that particular comment so it can be read in full. Note that you can change the format of the date (and/or include the time as well) by changing the comment timestamp setting on the Settings | Comments tab in Blogger.
Comments left by Blogger members will have their names linked to their profiles. Anonymous comments, or comments left as "Other" but without a URL specified, will be unlinked. If someone comments as "Other" and specifies a URL, that will be the destination of the link.

Adding the Code to Your Blog

Here's the code you need to get this in your blog:

How do I change the format of the dates displayed in my blog?

You can change the date format for both posts and archive links by editing your blog settings. On the Settings | Formatting page, there are fields for Date Header Format and Archive Index Date Format. Both fields include drop-down menus that list the format options for displaying dates.

 Date Header Format:

(Date Headers usually go above your posts.)

Archive Index Date Format:

(The Archive Index is usually the list of archive links in your sidebar.)
Click Save Settings at the bottom of the page when you're done.

http://www.google.com/support/blogger