datediff Simple module to calculate difference between two date Example var from = new Date(2012, 8, 0,0,10, 12), to = new Date(2014, 0, 1, 0, 56, 13), diff; diff = datediff(from, to);console.log( diff ) { years: 1, months: 4, days: 3 hours: 2, minutes: 46, seconds: 1}