try this: > asd <- as.Date("2012-01-03") > asd [1] "2012-01-03" > format(asd, format = '%m/%d/%Y') [1] "01/03/2012" > On Wed, Dec 26, 2012 at 1:31 PM, Ron Michael <ron_michael70 at yahoo.com> wrote: > asd <- as.Date("2012-01-03") -- Jim Holtman Data Munger Guru What is the problem that you are trying to solve? Tell me what you want to do, not how you want to do it.