Display date in arabic in this format 'Wednesday, May 22, 2013'

You can specify the format explicitly:

DateTime.UtcNow.ToString("dddd, MMMM dd, yyyy");

This will output, for example:

Wednesday, May 22, 2013

A lowercase 'd' stands for the day, two 'd's for the day with a zero in front if applicable, three 'd's for the abbreviation of the name of the day and four 'd's for the complete name of the day. The same applies to the months with a capital 'M' (lowercase 'm' are minutes!).