Create Directory Date Format in C#.Net

This is a Code for "Create Directory Date Format in C#.net"

using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.IO;
 namespace GetOfficeVersion
 {
class ClsDirectory
 {
 public static void CreateDirectory(string DesignationPath)
 {
 if (!Directory.Exists(DesignationPath))
 {
 Directory.CreateDirectory(DesignationPath);
 }
 }
 public static string currentYear()
 {
 string Year = string.Empty;
DateTime dt = DateTime.Now;
string format = "yyyy";
 Year = dt.ToString(format);
 return Year;
 }
 public static string currentMonth()
{
 string Month = string.Empty;
 DateTime dt = DateTime.Now;
 string format = "MM";
 Month = dt.ToString(format);
 return Month;
 }
 public static string currentDate()
 {
string day = string.Empty;
 DateTime dt = DateTime.Now;
string format = "dd";
day = dt.ToString(format); return day;
}
}
}