In March 2020, the pandemic originating from COVID-19, a coronavirus that appeared in China and spread worldwide in a matter of weeks, spreads. After two months, the most effective measure to stop the virus still turns out to be containment, that is, physical distancing, withdrawal into one's own homes, the interruption of any work, recreational or cultural gathering. "Diary of march" tells, with stunted lines, the microscopic focal length of a daily succession of small rhythms, anonymous gestures, horrible voids, experienced like many others, in Italy, the country of Europe that is hit hardest first.