Momentos relativos do tempo
moment("20111031", "YYYYMMDD").fromNow(); // 11 years ago
moment("20120620", "YYYYMMDD").fromNow(); // 10 years ago
moment().startOf('day').fromNow(); // an hour ago
moment().endOf('day').fromNow(); // in a day
moment().startOf('hour').fromNow(); // an hour ago
Mohammed Siddiqui