C# ASP.NET MVC JavaScript relative TimeAgoInWords using jQuery Timeago plugin. Place the Helpers.cshtml file (or its contents) into your App_Code directory.

global.js

$(function() {
  $("time.timeago").timeago();
});

Helpers.cshtml

@helper TimeAgoInWords(DateTime dateTime) {
    <time class="timeago" datetime="@dateTime.ToString("yyyy-MM-ddTHH:mm:ssK")" title="@dateTime.ToString("f")">
      @dateTime.ToString("f")
    </time>
}

Index.cshtml

@Helpers.TimeAgoInWords(DateTime.Now)