I was asked to modify an application to do just this for similar reasons. The issue was that the server was in UTC and someone had noticed that the copyright d

I was asked to modify an application to do just this for similar reasons. The issue was that the server was in UTC and someone had noticed that the copyright date was a year in the future on one of our web apps[0], which resulted in a help desk call on a holiday. It was unhelpful that the individual noticing the problem worked in legal. We weren't told "last modification of the work" but we were told we could not display a date in the future. I wouldn't be surprised if "last modification of the work" is the correct approach. [0] Someone didn't have a date for New Years' Eve, I guess.