It's one measly second, though, so it's not like it's going to do anything--just leave it at June 30, 11:59:59 PM > July 1, 12:00:00 AM. They're just wasting their time with this when they could be focusing on more important matters: https://www.facebook.com/NASA/photo...71236771/10153356591491772/?type=1&permPage=1
Except this kind of stuff is what keeps all our satellites from spiraling out of orbit. This is the important stuff. Plus the calculations literally take less than a minute for them to make.