2008 Business Hours & Schedule Business Hours Arizona is on Mountain Standard Time and does not utilize Daylight Savings Time options. January 2 - May 31, 2008 Monday thru Friday: 8 AM to 4:30 PM Saturday & Sunday: Closed June 1 - September 30, 2008 Monday thru Thursday: 8 AM to 4:45 PM Fridays: 8 AM to 3 PM Saturday & Sunday: Closed October 1 - December 31, 2008 Monday thru Friday: 8 AM to 4:30 PM Saturday & Sunday: Closed Observered Holidays - 2008 Closings New Year: Monday, December 31, 2007 and Tuesday, January 1, 2008 Memorial Day: Monday, May 26, 2008 Independence Day: Friday, July 4, 2008 Labor Day: Monday, September 1, 2008 Thanksgiving: Thursday, November 27 and Friday, November 28, 2008 Christmas: Thursday, December 25 and Friday, December 26, 2008