WordPress Plugin wp-days-ago Description:
This plugin displays the number of years, months, days, hours and minutes since a post or a page was published or modified, or a comment was published, in the same format as Facebook, Twitter etc. Examples are “Just now” (less than a minute ago), “47 minutes ago” (less than an hour ago), “3 hours ago” (less than a day ago), “Yesterday”, “3 days ago”, “One week ago”, “3 months ago”, “3 months, 4 days ago”, “2 years, 13 days ago” and so on. It’s also possible to configure wp-days-ago to fall back to displaying the actual date and time when a certain number of seconds after publishing time has been reached.
Related to WordPress Plugin wp-days-ago
WPSlug.com data has a list of 62 WordPress CMS installations Using the WordPress Plugin wp-days-ago.