Windows users have been able to do this with the Fences app by Stardock for years. You can still find the free version 1.03 on google.

Did you know that Herbie is a 1963? (https://en.wikipedia.org/wiki/Herbie) Did you also know that they never found the one that they sank in ‘Herbie Goes Bananas’? (https://en.wikipedia.org/wiki/Herbie_Go…) Although Herbie had the canvas roof....wishful thinking.

My Galaxy s7 has the proper date in the Calendar icon...maybe it was fixed in Marshmallow?