import LuxonAdapter from "@date-io/luxon"; import DateFnsAdapter from "@date-io/date-fns"; const dateFns = new DateFnsAdapter(); const luxon = new LuxonAdapter({ locale: "fr" }); // pass french locale const initialLuxonDate = luxon.date("2018-10-28T11:44:00.000Z"); const initialDateFnsDate = dateFns.date("2018-10-28T11:44:00.000Z"); const updatedLuxonDate = luxon.addDays(initialLuxonDate, 2); cons