date.swift

import Foundation
 
 var dateComponents = NSDateComponents()
   
   dateComponents.day = 19
   dateComponents.month = 12

   dateComponents.year = 2015
   
   let birthDate = NSCalendar(identifier: NSCalendarIdentifierGregorian)!.dateFromComponents(dateComponents)!
   
   let durationDateComponents = NSCalendar(identifier: NSCalendarIdentifierGregorian)!.components( [.Year, .Month, .Day, .Hour, .Minute, .Second], fromDate: NSDate(), toDate:birthDate, options: [])
   
   
   let yearsLabel = "\(durationDateComponents.year)"
   let monthsLabel = "\(durationDateComponents.month)"
   let daysLabel = "\(durationDateComponents.day)"