Sharpen.SimpleDateFormat.Format C# (CSharp) Method

        public string Format(DateTime date)
        {
            date += timeZone.BaseUtcOffset;
            return date.ToString (format);
        }

 /// <exception cref="Couchbase.Lite.CouchbaseLiteException"></exception>
 public static Couchbase.Lite.Document CreateTask(Database database, string title, 
     Bitmap image, string listId)
 {
     SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"
         );
     Calendar calendar = GregorianCalendar.GetInstance();
     string currentTimeString = dateFormatter.Format(calendar.GetTime());
     IDictionary<string, object> properties = new Dictionary<string, object>();
     properties.Put("type", DocType);
     properties.Put("title", title);
     properties.Put("checked", false);
     properties.Put("created_at", currentTimeString);
     properties.Put("list_id", listId);
     Couchbase.Lite.Document document = database.CreateDocument();
     UnsavedRevision revision = document.CreateRevision();
     revision.SetUserProperties(properties);
     if (image != null)
     {
         ByteArrayOutputStream @out = new ByteArrayOutputStream();
         image.Compress(Bitmap.CompressFormat.Jpeg, 50, @out);
         ByteArrayInputStream @in = new ByteArrayInputStream(@out.ToByteArray());
         revision.SetAttachment("image", "image/jpg", @in);
     }
     revision.Save();
     return document;
 }