In cell A1 I have current date created with formula =today() eg. 3-Oct-2019.
In the same column starting from cell A3 (A3:A600) I have dates and time in format dd.mm.yyyy - hh:mm (example. 04.10.2019 - 21:00).
All those cells (A3:A600) are text cells. I need to subtract all those...