Convert NSDate to NSString

Question

How do I convert  NSDate to NSString so that only the year in   yyyy  format is output to the string

User · Answer

NSString  date2str  NSDate  myNSDateInstance onlyDate  BOOL onlyDate      NSDateFormatter  formatter     NSDateFormatter alloc  init       if  onlyDate             formatter setDateFormat   yyyy-MM-dd         else           formatter setDateFormat    yyyy-MM-dd HH mm ss                 Optionally for time zone conversions           formatter setTimeZone  NSTimeZone timeZoneWithName                NSString  stringFromDate    formatter stringFromDate myNSDateInstance       return stringFromDate       NSDate  str2date  NSString  dateStr      if   dateStr isKindOfClass  NSDate class              return  NSDate  dateStr             NSDateFormatter  dateFormat     NSDateFormatter alloc  init        dateFormat setDateFormat   yyyy-MM-dd        NSDate  date    dateFormat dateFromString dateStr       return date

User · Answer

there are a number of NSDate helpers on the web  I tend to use   https   github com billymeltdown nsdate-helper   Readme extract below     NSString  displayString    NSDate stringForDisplayFromDate date     This produces the following kinds of output      3 42 AM        if the date is after midnight today    Tuesday        if the date is within the last seven days    Mar 1        if the date is within the current calendar year    Mar 1  2008        else  -

User · Answer

How about     NSDateFormatter  formatter     NSDateFormatter alloc  init    formatter setDateFormat   yyyy       Optionally for time zone conversions  formatter setTimeZone  NSTimeZone timeZoneWithName            NSString  stringFromDate    formatter stringFromDate myNSDateInstance      unless ARC is active  formatter release     Swift 4 2    func stringFromDate   date  Date  - gt  String       let formatter   DateFormatter       formatter dateFormat    dd MMM yyyy HH mm    yyyy     return formatter string from  date

User · Answer

I don t know how we all missed this  localizedStringFromDate dateStyle timeStyle   NSString  dateString    NSDateFormatter localizedStringFromDate  NSDate date                                                         dateStyle NSDateFormatterShortStyle                                                        timeStyle NSDateFormatterFullStyle   NSLog       dateString     outputs  13 06 12 00 22 39 GMT 03 00

User · Answer

Define your own utility for format your date required date format  for eg   NSString   stringFromDate NSDate  date         NSDateFormatter  formatter       NSDateFormatter alloc  init          formatter setDateFormat   MM   dd   yyyy  hh mm a            return  formatter stringFromDate date

User · Answer

In Swift   var formatter   NSDateFormatter   formatter dateFormat    yyyy  var dateString   formatter stringFromDate YourNSDateInstanceHERE

User · Answer

If you don t have NSDate -descriptionWithCalendarFormat timeZone locale  available  I don t believe iPhone Cocoa Touch includes this  you may need to use strftime and monkey around with some C-style strings  You can get the UNIX timestamp from an NSDate using NSDate -timeIntervalSince1970

User · Answer

NSDateFormatter  dateformate   NSDateFormatter alloc init      dateformate setDateFormat   yyyy       Date formater   NSString  date    dateformate stringFromDate  NSDate date       Convert date to string   NSLog   date      date

User · Answer

Hope to add more value by providing the normal formatter including the year  month and day with the time  You can use this formatter for more than just a year   dateFormat setDateFormat    yyyy-MM-dd HH mm ss zzz

User · Answer

If you are on Mac OS X you can write   NSString  s     NSDate date  descriptionWithCalendarFormat    Y  m  d  H  M  S  timeZone nil locale nil     However this is not available on iOS

User · Answer

It s swift format    func dateFormatterWithCalendar calndarIdentifier  Calendar Identifier  dateFormat  String  - gt  DateFormatter        let formatter   DateFormatter       formatter calendar   Calendar identifier  calndarIdentifier      formatter dateFormat   dateFormat      return formatter       Usage let date   Date   let fotmatter   dateFormatterWithCalendar calndarIdentifier   gregorian  dateFormat   yyyy   let dateString   fotmatter string from  date  print dateString    2018

User · Answer

Just add this extension   extension NSDate       var stringValue  String           let formatter   NSDateFormatter           formatter dateFormat    yourDateFormat          return formatter stringFromDate self

User · Answer

ios  swift  convertDateinString Simply just do like this to  quot convert date into string quot  as per format you passed  let formatter   DateFormatter    formatter dateFormat    quot dd-MM-YYYY quot     pass formate here          let myString   formatter string from  date     this will convert Date in String  Note  You can specify different formats such like  quot yyyy-MM-dd quot    quot yyyy quot    quot MM quot  etc

User · Answer

swift 4 answer  static let dateformat  String    yyyy-MM-dd T HH mm ss  public static func stringTodate strDate   String  - gt  Date        let dateFormatter   DateFormatter       dateFormatter dateFormat   dateformat     let date   dateFormatter date from  strDate      return date    public static func dateToString inputdate   Date  - gt  String        let dateFormatter   DateFormatter       dateFormatter dateFormat   dateformat     return formatter string from  inputdate

User · Answer

NSCalendar  calendar    NSCalendar currentCalendar   NSDateComponents  components    calendar components  NSCalendarUnitYear   NSCalendarUnitMonth   NSCalendarUnitDay  fromDate myNSDateInstance   NSInteger year    components year      NSInteger month    components month   NSString  yearStr    NSString stringWithFormat    ld   year

[objective-c] Convert NSDate to NSString

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