Quick and dirty script to generate some random dates. Copy/paste into your console, it will copy those dates into your clipboard.

generate-random-dates.js

const COUNT = 32;
const START_DATE = new Date(2019, 0, 1);
const END_DATE = new Date(2019, 11, 31);

function randomDate(start, end) {
  return new Date(
    start.getTime() + Math.random() * (end.getTime() - start.getTime())
  );
}

copy(
  Array.apply(null, { length: COUNT }).map(() =>
    randomDate(START_DATE, END_DATE)
  )
);