c# datetime beginning of day

This extension adds EndOfDay StartOfDay methods to DateTime so it's possible to call
DateFrom.Value.StartOfDay() or dateTo.Value.EndOfDay()

 
using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Text; 
namespace AwesomeExtensions 
{ 
 
        public static class Extension 
        { 
                public static DateTime EndOfDay(this DateTime date) 
                { 
                        return new DateTime(date.Year, date.Month, date.Day, 23, 59, 59, 999); 
                } 
 
                public static DateTime StartOfDay(this DateTime date) 
                { 
                        return new DateTime(date.Year, date.Month, date.Day, 0, 0, 0, 0); 
                } 
        } 
}