This plugin simply replaces Arabic numerals (a.k.a. Hindu-Arabic numerals or Indo-Arabic numerals) with Eastern Arabic numerals (a.k.a. Arabic–Indic numerals or Arabic Eastern numerals) in the date of posts or comments on WordPress. This is useful on sites using the Arabic version of WordPress, which translates month names but leaves the numbers unchanged.
This was originally based upon the answer to a question on Stack Overflow.