What units are "[specific date] to today" in? Does converting that to days take into account leap years? A more natural query: http://www.wolframalpha.com/in

What units are "[specific date] to today" in? Does converting that to days take into account leap years? A more natural query: http://www.wolframalpha.com/input/?i=days+since+May+14%2C+1984 http://www.wolframalpha.com/input/?i=days+since+May+14%2C+19...