using System;

using System.Globalization;

​

public class Program

{

    public static void Main()

    {

        string startdate = "Tue Feb 12 2019 09:30:00"; DateTime start;

        bool isSuccess = DateTime.TryParseExact(startdate, "ddd MMM dd yyyy HH:mm:ss", CultureInfo.InvariantCulture, DateTimeStyles.None, out start);

        var formattedDateTime = start.ToString("dd/MM/yyyy");

        Console.WriteLine(formattedDateTime);

    }

}