Employers set their own Holiday schedules. State is different than Federal. Most Employers don't pay holiday pay unless they set that date. What is April 29 except a Friday???

Prince William and Kate Middleton are to marry at Westminster Abbey on April 29, 2011, which has been declared a bank holiday in celebration.
http://www.telegraph.co.uk/news/uknews/royal-wedding/8153299/Royal-Wedding-Date-Prince-William-and-Kate-Middleton-to-marry-on-April-29.html
http://www.telegraph.co.uk/news/uknews/royal-wedding/8153299/Royal-Wedding-Date-Prince-William-and-Kate-Middleton-to-marry-on-April-29.html