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CSharp · Console

/Program.cs

using System;
using System.Globalization;
					
public class Program
{
	public static void Main()
	{
		string dateString1 = "2/6/2018";
		string dateString2 = "20/05/2016";
		string[] formats = { "d/M/yyyy", "dd/MM/yyyy" };
		
		DateTime dt1 = DateTime.ParseExact(dateString1, formats, CultureInfo.InvariantCulture, DateTimeStyles.None);
		DateTime dt2 = DateTime.ParseExact(dateString2, formats, CultureInfo.InvariantCulture, DateTimeStyles.None);
		
		Console.WriteLine(dt1);
		Console.WriteLine(dt2);
	}
}