DateTime to javascript date

Question

From another answer on Stackoverflow is a conversion from Javascript date to  net DateTime   long msSinceEpoch   1260402952906     Value from Date getTime   in JavaScript return new DateTime 1970  1  1    new TimeSpan msSinceEpoch   10000     But how to do the reverse  DateTime to Javascript Date

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With Moment js simply use   var jsDate   moment netDateTime  toDate      Where netDateTime is your DateTime variable serialized  something like   Date 1456956000000 0200

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If you use MVC with razor      -----Razor C   var dt1   DateTime Now AddDays 14  Date      var dt2   DateTime Now AddDays 18  Date       var lstDateTime   new List lt DateTime gt         lstDateTime Add dt1       lstDateTime Add dt2     ---Javascript    function                  var arr         javascript array               foreach  var item in lstDateTime                                   arr1 push new Date  item Year    item Month - 1    item Day                      1  create the list in C  and fill it 2  Create an array in javascript 3  Use razor to iterate the list 4  Use    to switch back to js and   to switch to C  5  The -1 in the month to correct the month number in js    Good luck

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JavaScript Date constructor accepts number of milliseconds since Unix epoch  1 January 1970 00 00 00 UTC   Here   s C  extension method that converts  Net DateTime object to JavaScript date   public static class DateTimeJavaScript      private static readonly long DatetimeMinTimeTicks          new DateTime 1970  1  1  0  0  0  DateTimeKind Utc   Ticks      public static long ToJavaScriptMilliseconds this DateTime dt             return  long   dt ToUniversalTime   Ticks - DatetimeMinTimeTicks    10000            JavaScript Usage   var dt   new Date  lt    DateTime Today ToJavaScriptMilliseconds     gt    alert dt

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This should do the  trick   date Subtract new DateTime 1970  1 1   TotalMilliseconds

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I know this is a little late  but here s the solution I had to come up with for handling dates when you want to be timezone independent   Essentially it involves converting everything to UTC   From Javascript to Server    Send out dates as epoch values with the timezone offset removed     var d   new Date 2015 0 1     Jan 1  2015    Ajax Request to server       ajax     url    target     params    date  d getTime   -  d getTimezoneOffset     60   1000            The server then recieves 1420070400000 as the date epoch   On the Server side  convert that epoch value to a datetime object     DateTime d   new DateTime 1970  1  1  0  0  0  AddMilliseconds epoch       At this point the date is just the date time provided by the user as they provided it   Effectively it is UTC   Going the other way   When the server pulls data from the database  presumably in UTC  get the difference as an epoch  making sure that both date objects are either local or UTC      long ms    long utcDate Subtract new DateTime 1970  1  1  0  0  0  DateTimeKind Utc   TotalMilliseconds      or    long ms    long localDate Subtract new DateTime 1970  1  1  0  0  0  DateTimeKind Local   TotalMilliseconds      When javascript receives this value  create a new date object   However  this date object is going to be assumed local time  so you need to offset it by the current timezone     var epochValue   1420070400000    value pulled from server  var utcDateVal   new Date epochValue   var actualDate   new Date utcDateVal getTime      utcDateVal getTimezoneOffset     60   1000    console log utcDateVal      Wed Dec 31 2014 19 00 00 GMT-0500  Eastern Standard Time  console log actualDate      Thu Jan 01 2015 00 00 00 GMT-0500  Eastern Standard Time      As far as I know  this should work for any time zone where you need to display dates that are timezone independent

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lt input type  hidden  id  CDate  value   lt   DateTime Now ToString  yyyy MM dd HH mm ss    gt     gt    In order to convert the date to JS date all numbers    var JSDate       CDate   val    JSDate   Date parse JSDate

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Try   return DateTime Now Subtract new DateTime 1970  1 1   TotalMilliseconds   Edit  true UTC is better  but then we need to be consistent  return DateTime UtcNow                 Subtract new DateTime 1970 1 1 0 0 0 DateTimeKind Utc                   TotalMilliseconds    Although  on second thoughts it does not matter  as long as both dates are in the same time zone

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You can try this in your Action   return DateTime Now ToString  yyyy-MM-ddTHH mm ss      And this in your Ajax success   success  function  resultDateString        var date   new Date resultDateString       Or this in your View   Javascript plus C    var date   new Date   DateTime Now ToString  yyyy-MM-ddTHH mm ss

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Another late answer  but this is missing here  If you want to handle conversion of serialized  Date 1425408717000   in javascript  you can simply call   var cSharpDate     Date 1425408717000    var jsDate   new Date parseInt cSharpDate replace    0-9    g           Source  amirsahib

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This method is working for me      public sCdateToJsDate cSDate  any   Date              cSDate is  2017-01-24T14 14 55 807          var datestr   cSDate toString            var dateAr   datestr split  -            var year   parseInt dateAr 0            var month   parseInt dateAr 1  -1          var day   parseInt dateAr 2  substring 0  dateAr 2  indexOf  T              var timestring   dateAr 2  substring dateAr 2  indexOf  T     1           var timeAr   timestring split               var hour   parseInt timeAr 0            var min   parseInt timeAr 1            var sek   parseInt timeAr 2            var date   new Date year  month  day  hour  min  sek  0           return date

[c#] DateTime to javascript date

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