Convert string to date in Swift

Question

How can I convert this string  2016-04-14T10 44 00 0000  into an NSDate and keep only the year  month  day  hour   The T in the middle of it really throws off what I am used to when working with dates

User · Answer

In swift4       var Msg Date     2019-03-30T05 30 00 0000       let dateFormatterGet   DateFormatter       dateFormatterGet dateFormat    yyyy-MM-dd T HH mm ss      let dateFormatterPrint   DateFormatter       dateFormatterPrint dateFormat    MMM dd yyyy h mm a      MMM d  h mm a  for  Sep 12  2 11 PM     let datee   dateFormatterGet date from  Msg Date       Msg Date     dateFormatterPrint string from  datee    Date         print Msg Date       output  - Mar 30 2019 05 30 PM

User · Answer

Convert the ISO8601 string to date  let isoDate    2016-04-14T10 44 00 0000   let dateFormatter   DateFormatter   dateFormatter locale   Locale identifier   en US POSIX      set locale to reliable US POSIX dateFormatter dateFormat    yyyy-MM-dd T HH mm ssZ  let date   dateFormatter date from isoDate    Get the date components for year  month  day and hour from the date  let calendar   Calendar current let components   calendar dateComponents   year   month   day   hour   from  date   Finally create a new Date object and strip minutes and seconds  let finalDate   calendar date from components       Consider also the convenience formatter ISO8601DateFormatter introduced in iOS 10   macOS 12   let isoDate    2016-04-14T10 44 00 0000   let dateFormatter   ISO8601DateFormatter   let date   dateFormatter date from isoDate

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Swift 5  To see IF A DATE HAS PASSED   let expiryDate    2020-01-10     Jan 10 2020  let dateFormatter   DateFormatter   dateFormatter dateFormat    yyyy-MM-dd   if Date    lt  dateFormatter date from  expiryDate     Date         print  Not Yet expiryDate     else       print  expiryDate has passed

User · Answer

Try the following date Format   let dateFormatter   NSDateFormatter   dateFormatter dateFormat    yyyy - MM - dd T HH   mm   ssZZZ  let date   dateFormatter  dateFromString  strDate    Hope it helps    Swift 4 1    let dateFormatter   DateFormatter   dateFormatter dateFormat    yyyy - MM - dd T HH   mm   ssZZZ  let date   dateFormatter date from  strDate

User · Answer

I was getting crazy with this format as well   See the solution below   Your String that came from your back or another source       let isoDate    2020-05-06 20 00 00-03    Identify the date format      let dateFormatter   DateFormatter       dateFormatter locale   Locale identifier   en US POSIX       dateFormatter dateFormat    yyyy-MM-dd   HH mm ssZ      let date   dateFormatter date from isoDate     Now that you have the date as Date   you can change to whatever format you want using the formatDate string      let formatDate   DateFormatter       formatDate dateFormat    dd MM yyyy HH mm      let drawDate   formatDate string from  date      print drawDate    Output       06 05 2020 20 00

User · Answer

In Swift 4 1 you can do   func getDate   - gt  Date        let dateFormatter   DateFormatter       dateFormatter dateFormat    yyyy-MM-dd T HH mm ss      dateFormatter timeZone   TimeZone current     dateFormatter locale   Locale current     return dateFormatter date from   2015-04-01T11 42 00      replace Date String

User · Answer

Sometimes  converting string to Date in swift can result to return  nil  so that you should  add  quot   quot  mark to format date function  let dateFormatterUK   DateFormatter   dateFormatterUK dateFormat    quot dd-MM-yyyy quot   let stringDate    quot 11-03-2018 quot  let date   dateFormatterUK date from  stringDate

User · Answer

Please use an ISO8601 parsing library for doing this  There are too many ways how the string could be encoded  Don t rely on a specific format and don t rely on the server sending always the same  The problems start with the  Z  at the end and it will extend through all varieties of the standard  A parsing library will handle all cases and will always provide a safe conversion - whereas a fixed formatting string is likely to fail in the future   You could use one of these libraries  They are also available on CococaPods   https   github com boredzo iso-8601-date-formatter   https   github com malcommac SwiftDate  Take a look at the implementations  They are both several hundred lines long - for good reason   With regards to the question  You can pull out the date components from the date using NSDateComponents  The example on the website covers exactly your case   https   developer apple com documentation foundation nscalendar 1414841-components language objc  Please be aware  that converting your date will take into account the time zone  You might want to set the  locale  of the NSCalendar explicitly

User · Answer

Hi You have separate T Format and then convert as you like     create dateFormatter with UTC time format let dateFormatter   NSDateFormatter   dateFormatter dateFormat    yyyy-MM-dd T HH mm ss  dateFormatter timeZone   NSTimeZone name   UTC   let date   dateFormatter dateFromString  2015-04-01T11 42 00       change to a readable time format and change to local time zone dateFormatter dateFormat    EEE  MMM d  yyyy - h mm a  dateFormatter timeZone   NSTimeZone localTimeZone    let timeStamp   dateFormatter stringFromDate date

User · Answer

just  Step 1   get the String value from JSON or dataSource  Step 2   create a local variable and assign it   let startDate   CurrentDashBoard startdate   Step 3  create an instance of DateFormatter   let dateFormatter   DateFormatter     step 4  call the dateFormat from dateFormatter and provide saved date dataType   dateFormatter dateFormat    MM-dd-yyyy HH mm ss   may be String formate     step 5  Assign the Local variable to this variable to convert   let dateFromStringstartDate   NSDate   dateFormatter date from  startDate   as NSDate   Step 6  provide your required date Formate by the following code   dateFormatter dateFormat    MM dd yyyy HH mm ss    Step 6  Assign it to label text  cell lblStartDate text   String format        strstartDate    Code   let startDate   CurrentDashBoard startdate let dateFormatter   DateFormatter    dateFormatter dateFormat    MM-dd-yyyy HH mm ss  let dateFromStringstartDate    NSDate   dateFormatter date from  startDate   as NSDate dateFormatter dateFormat    MM dd yyyy HH mm ss  let strstartDate   dateFormatter string from  dateFromStringstartDate as Date

User · Answer

Just use SwifterSwift   stringDate    2020-04-26T08 56 17 987Z  let date   Date iso8601String  stringDate

User · Answer

Just your passing your dateformate and your date then you get Year month day hour  Extra info   func GetOnlyDateMonthYearFromFullDate currentDateFormate NSString   conVertFormate NSString   convertDate NSString   - gt  NSString               let dateFormatter   NSDateFormatter           dateFormatter dateFormat   currentDateFormate as String         let formatter   NSDateFormatter           formatter dateFormat   Key DATE FORMATE as String         let finalDate   formatter dateFromString convertDate as String          formatter dateFormat   conVertFormate as String         let dateString   formatter stringFromDate finalDate            return dateString          Get Year  let Year   self GetOnlyDateMonthYearFromFullDate  yyyy-MM-dd T HH mm ssZ   conVertFormate   YYYY   convertDate   2016-04-14T10 44 00 0000   as String    Get Month  let month   self GetOnlyDateMonthYearFromFullDate  yyyy-MM-dd T HH mm ssZ   conVertFormate   MM   convertDate   2016-04-14T10 44 00 0000   as String    Get Day  let day   self GetOnlyDateMonthYearFromFullDate  yyyy-MM-dd T HH mm ssZ   conVertFormate   dd   convertDate   2016-04-14T10 44 00 0000   as String    Get Hour  let hour    self GetOnlyDateMonthYearFromFullDate  yyyy-MM-dd T HH mm ssZ   conVertFormate   hh   convertDate   2016-04-14T10 44 00 0000   as String

User · Answer

make global function func convertDateFormat inputDate  String  - gt  String         let olDateFormatter   DateFormatter        olDateFormatter dateFormat    quot yyyy-MM-dd T HH mm ss quot        let oldDate   olDateFormatter date from  inputDate        let convertDateFormatter   DateFormatter        convertDateFormatter dateFormat    quot MMM dd yyyy h mm a quot        return convertDateFormatter string from  oldDate      Called function and pass value in it get OutputStr   convertDateFormat inputDate   quot 2019-03-30T05 30 00 0000 quot    and here is output Feb 25 2020 4 51 PM

User · Answer

Swift 3 0 - 4 2  import Foundation  extension String        func toDate withFormat format  String    yyyy-MM-dd HH mm ss  - gt  Date            let dateFormatter   DateFormatter           dateFormatter timeZone   TimeZone identifier   Asia Tehran           dateFormatter locale   Locale identifier   fa-IR           dateFormatter calendar   Calendar identifier   gregorian          dateFormatter dateFormat   format         let date   dateFormatter date from  self           return date           extension Date        func toString withFormat format  String    EEEE   d MMMM yyyy   - gt  String            let dateFormatter   DateFormatter           dateFormatter locale   Locale identifier   fa-IR           dateFormatter timeZone   TimeZone identifier   Asia Tehran           dateFormatter calendar   Calendar identifier   persian          dateFormatter dateFormat   format         let str   dateFormatter string from  self           return str

[swift] Convert string to date in Swift

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