text: 'use strict'
  
  function calculateTime() {
      let date = new Date(1939, 1, 1)
      let now = new Date()
  
      Date.prototype.years = () => { return now.getFullYear() - date.getFullYear() }
      Date.prototype.months = () => { return now.getMonth() - date.getMonth() }
      Date.prototype.days = () => { return now.getDate() - date.getDate() }
  
      return date;
  }
  
  module.exports.calculateTime = calculateTime