Easiest: Remember today's day number (22) and type it with "/" appended: Type 22/
Easy: Type =today() F9 Enter Enter
Complex: Install my little macro suite and assign a shortcut to macro "NowToActiveCell": http://user.services.openoffice.org/en/ ... 21&t=12575
Please, edit this topic's initial post and add "[Solved]" to the subject line if your problem has been solved.
Ubuntu 18.04 with LibreOffice 6.0, latest OpenOffice and LibreOffice