WebEditUtilPart1.cs

// Decompiled with JetBrains decompiler
// Type: Sitecore.Web.WebEditUtil
// Assembly: Sitecore.Kernel, Version=8.1.0.0, Culture=neutral, PublicKeyToken=null
// 
// NOTE: This is not the complete implementation, only fractions of the important parts related to the date and time.
// 

namespace Sitecore.Web
{
  public static class WebEditUtil
  {
    public static DateTime GetCurrentDate()
    {
      SiteContext site = Factory.GetSite(WebEditUtil.SiteName);
      Assert.IsNotNull((object) site, "Site \"{0}\" not found.", (object) Settings.Preview.DefaultSite);
      string cookieValue = WebUtil.GetCookieValue(site.GetCookieKey("sc_date"));
      if (string.IsNullOrEmpty(cookieValue))
        return DateTime.UtcNow;
      return DateUtil.ToUniversalTime(DateUtil.IsoDateToDateTime(cookieValue));
    }
    
    // code omitted...
  }
}