How can I convert string date to NSDate

Question

I want to convert  2014-07-15 06 55 14 198000 00 00  this string date to NSDate in Swift

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This work for me        import Foundation     import UIKit        dateString    01 07 2017      private func parseDate   dateStr  String  - gt  String               let simpleDateFormat   DateFormatter               simpleDateFormat dateFormat    dd MM yyyy    format our date String             let dateFormat   DateFormatter               dateFormat dateFormat    dd  de  MMMM  de  yyyy    format return              let date   simpleDateFormat date from  dateStr              return dateFormat string from  date

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If you re going to need to parse the string into a date often  you may want to move the functionality into an extension   I created a sharedCode swift file and put my extensions there   extension String          func toDateTime   - gt  NSDate                 Create Date Formatter         let dateFormatter   NSDateFormatter              Specify Format of String to Parse         dateFormatter dateFormat    yyyy-MM-dd hh mm ss SSSSxxx             Parse into NSDate         let dateFromString   NSDate   dateFormatter dateFromString self              Return Parsed Date         return dateFromString           Then if you want to convert your string into a NSDate you can just write something like   var myDate   myDateString toDateTime

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Swift 4  import Foundation  let dateString    2014-07-15     change to your date format  var dateFormatter   DateFormatter   dateFormatter dateFormat    yyyy-MM-dd   let date   dateFormatter date from  dateString  println date    Swift 3  import Foundation  var dateString    2014-07-15     change to your date format  var dateFormatter   NSDateFormatter   dateFormatter dateFormat    yyyy-MM-dd   var date   dateFormatter dateFromString dateString  println date    I can do it with this code

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import Foundation  let now   String    2014-07-16 03 03 34 PDT  var date   NSDate var dateFormatter   NSDateFormatter  date   dateFormatter dateFromString now   date     R6    NSDate   2014-07-16 03 03 34 PDT   https   developer apple com library prerelease mac documentation Cocoa Reference Foundation Classes NSDateFormatter Class index html   apple ref doc uid 20000447-SW32

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FOR SWIFT 3 1  func convertDateStringToDate longDate  String  - gt  String          INPUT  longDate    2017-01-27T05 00 00 000Z         OUTPUT   1 26 17         date format you want in string from        http   userguide icu-project org formatparse datetime              let dateFormatter   DateFormatter       dateFormatter dateFormat    yyyy-MM-dd T HH mm ss SSSZ      let date   dateFormatter date from  longDate       if date    nil            let formatter   DateFormatter           formatter dateStyle    short         let dateShort   formatter string from  date            return dateShort        else            return longDate            NOTE  THIS WILL RETURN THE ORIGINAL STRING IF ERROR

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For Swift 3  func stringToDate   str  String - gt Date      let formatter   DateFormatter       formatter dateFormat  yyyy-MM-dd hh mm ss Z      return formatter date from  str     func dateToString   str  Date - gt String      var dateFormatter   DateFormatter       dateFormatter timeStyle DateFormatter Style short     return dateFormatter string from  str

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SWIFT 5  Xcode 11 0  Pass your  date in string  in  dateString  and in  dateFormat  pass format you want  To choose format  use NDateFormatter website   func getDateFrom dateString  String  dateFormat  String  - gt  Date        let dateFormatter   DateFormatter       dateFormatter dateFormat   dateFormat     dateFormatter locale   Locale identifier   en US       guard let date   dateFormatter date from  dateString  else  return nil      return date

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func convertDateFormatter date  String  - gt  String         let dateFormatter   NSDateFormatter       dateFormatter dateFormat    yyyy-MM-dd T HH mm ss SSSZ   this your string date format     dateFormatter timeZone   NSTimeZone name   UTC       let date   dateFormatter dateFromString date        dateFormatter dateFormat    yyyy MMM EEEE HH mm    this is what you want to convert format     dateFormatter timeZone   NSTimeZone name   UTC       let timeStamp   dateFormatter stringFromDate date         return timeStamp     Updated for Swift 3   func convertDateFormatter date  String  - gt  String        let dateFormatter   DateFormatter       dateFormatter dateFormat    yyyy-MM-dd T HH mm ss SSSZ   this your string date format     dateFormatter timeZone   NSTimeZone name   UTC   as TimeZone      let date   dateFormatter date from  date        dateFormatter dateFormat    yyyy MMM EEEE HH mm    this is what you want to convert format     dateFormatter timeZone   NSTimeZone name   UTC   as TimeZone      let timeStamp   dateFormatter string from  date         return timeStamp

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The code fragments on this QA page are  quot upside down quot     The first thing Apple mentions is that you cache your formatter    Link to Apple doco stating exactly how to do this   Cache Formatters for Efficiency Creating a date formatter is not a cheap operation     cache a single instance     Use a global    let df   DateFormatter         let formatter   DateFormatter       formatter dateFormat    quot yyyy-MM-dd quot      return formatter       Then simply use that formatter anywhere    let s   df string from  someDate   or let d   df date from  someString   Or use any of the other many  many convenient methods on DateFormatter  It is that simple   If you write an extension on String  your code is completely  quot upside down quot  - you can t use any dateFormatter calls   Note that usually you will have a few of those globals    such as  quot formatForClient quot   quot formatForPubNub quot   quot formatForDisplayOnInvoiceScreen quot     etc

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Details   Swift 4  Xcode 9 2  Swift 5  Xcode 10 2  10E125    Solution  import Foundation  extension DateFormatter        convenience init  format  String            self init           dateFormat   format         locale   Locale current          extension String        func toDate  dateFormatter  DateFormatter  - gt  Date            return dateFormatter date from  self             func toDateString  dateFormatter  DateFormatter  outputFormat  String  - gt  String            guard let date   toDate dateFormatter  dateFormatter  else   return nil           return DateFormatter format  outputFormat  string from  date           extension Date        func toString  dateFormatter  DateFormatter  - gt  String            return dateFormatter string from  self            Usage  var dateString    14 01 2017T14 54 00  let dateFormatter   DateFormatter format   dd MM yyyy T HH mm ss   let date   Date    print  original String with date                  dateString    print  date String   to Date                      dateString toDate dateFormatter  dateFormatter      print  date String   to formated date String      dateString toDateString dateFormatter  dateFormatter  outputFormat   dd MMMM       let dateFormatter2   DateFormatter format   dd MMM HH mm   print  format Date                                date toString dateFormatter  dateFormatter2        Result    More information  About date format

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You can try this swift code       let dateFormatter   DateFormatter       dateFormatter dateFormat    dd MM yyyy   same as strDate date formator     dateFormatter timeZone   TimeZone abbreviation   GMT 0 00    Must used if you get one day less in conversion     let convertedDateObject   dateFormatter date from  strDate

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Swift support extensions  with extension you can add a new functionality to an existing class  structure  enumeration  or protocol type   You can add a new init function to NSDate object by extenging the object using the extension keyword   extension NSDate       convenience     init dateString String            let dateStringFormatter   NSDateFormatter           dateStringFormatter dateFormat    yyyyMMdd          dateStringFormatter locale   NSLocale localeIdentifier   fr CH POSIX           let d   dateStringFormatter dateFromString dateString           self init timeInterval 0  sinceDate d             Now you can init a NSDate object using   let myDateObject   NSDate dateString  2010-12-15 06 00 00

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Swift 3 4   2 useful conversions   string from  Date     to convert from Date to a String date from  String     to convert from String to Date   Usage  1   let date   Date     gives today s date let dateFormatter   DateFormatter   dateFormatter dateFormat    dd MM yyyy  let todaysDateInUKFormat   dateFormatter string from  date    2    let someDateInString    23 06 2017   var getDateFromString   dateFormatter date from  someDateInString

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To add String within Date Format in Swift  I did this   var dataFormatter NSDateFormatter   NSDateFormatter                   dataFormatter dateFormat    dd-MMMM  at  HH mm a   cell timeStamplbl text   dataFormatter stringFromDate object createdAt

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Since Swift 3  many of the NS prefixes have been dropped   let dateFormatter   DateFormatter   dateFormatter dateFormat    yyyy-MM-dd T HH mm ss SSSZ      date format string rules    http   userguide icu-project org formatparse datetime      let date   dateFormatter date from  dateString

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try this   let dateFormatter   NSDateFormatter   dateFormatter dateFormat      find out and place date format from                                http   userguide icu-project org formatparse datetime                                let date   dateFormatter dateFromString    your date string       For further query  check NSDateFormatter and DateFormatter classes of Foundation framework for Objective-C and Swift  respectively   Swift 3 and later  Swift 4 included   let dateFormatter   DateFormatter   dateFormatter dateFormat      date format you want in string from                               http   userguide icu-project org formatparse datetime                                guard let date   dateFormatter date from     your date string     else      fatalError  ERROR  Date conversion failed due to mismatched format          use date constant here

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Swift  iOS if we have string  convert it to NSDate   var dataString   profileValue  dob   as String var dateFormatter   NSDateFormatter   dateFormatter dateFormat    MM-dd-yyyy      convert string into date let dateValue NSDate    dateFormatter dateFromString dataString   if you have and date picker parse date like this     to avoid any nil value if let isDate   dateValue   self datePicker date   isDate

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Below are some string to date format converting options can be usedin swift iOS    Thursday  Dec 27  2018     format   EEEE  MMM d  yyyy 12 27 2018    format  MM dd yyyy 12-27-2018 09 59  format  MM-dd-yyyy HH mm Dec 27  9 59 AM   format   MMM d  h mm a December 2018 format  MMMM yyyy Dec 27  2018  format  MMM d  yyyy Thu  27 Dec 2018 09 59 19  0000   format   E  d MMM yyyy HH mm ss Z 2018-12-27T09 59 19 0000  format   yyyy-MM-dd T HH mm ssZ 27 12 18  format   dd MM yy 09 59 19 815 format    HH mm ss SSS

[ios] How can I convert string date to NSDate?

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