I'm trying to do something that I had thought simplistic, but the formatting of the result is causing me issues.
A1 = 1/8/2018 23:10
A2 = 1/8/2018 23:29
A3 contains the formula =A2-A1.
Then, I am formatting it with the following custom format: yy\y mm\m dd\d hh:mm:ss
I am expecting to see 00y...