How to Compare Two Dates Without Time in C#

Tutorialsrack 03/01/2021 C#

In this article,  you will learn how to compare two dates without time in C#. Sometimes, we need to compare only the date parts of two DateTime variables in C#. So here in this article, we used the  == operator and .CompareTo() method to compare the two dates without time in C#.

Here are the examples to compare two dates without time in C#.

Example 1: Using == Operator

In this example, we compare the two dates without time using the equality == operator, if both dates are the same then it will return true otherwise it will return false.

Here is the source code of the program to compare two dates without time using == Operator in C#.

using System;

namespace Tutorialsrack
{
    class Program
    {
        /* How to compare two Dates without time in C# */
        static void Main(string[] args)
        {
            DateTime date1 = DateTime.Now;
            DateTime date2 = DateTime.Now.AddDays(-50);

            if (date1.Date == date2.Date)
            {
                Console.WriteLine("Both the dates are same");
            }
            else
            {
                Console.WriteLine("Both the dates are not same");
            }
            //Hit ENTER to exit the program
            Console.ReadKey();
        }
    }
}

Example 2: Using CompareTo() Method

In this example, we compare the value of this instance to a specified DateTime value and indicate whether this instance is earlier than, the same as, or later than the specified DateTime value.

A number indicating the relative values of this instance and the value parameter.

Compare Return Value:

1. Less than zero: If this instance is earlier than value.
2. Zero: If this instance is the same as value.
3. Greater than zero: If this instance is later than value.

Here is the source code of the program to compare the two dates without time using the .CompareTo() method in c#.

using System;

namespace Tutorialsrack
{
    class Program
    {
        /* How to compare two Dates without time in C# */
        static void Main(string[] args)
        {
            DateTime date1 = DateTime.Now;
            DateTime date2 = DateTime.Now.AddDays(-50);

            var compare = date1.Date.CompareTo(date2.Date);

            switch (compare)
            {
                case 1:
                    Console.WriteLine("The Date1 is greater than the Date2.");
                    break;
                case 0:
                    Console.WriteLine("The Date1 is the same as the Date2.");
                    break;
                default:
                    Console.WriteLine("The Date1 is earlier date than the Date2.");
                    break;
            }

            //Hit ENTER to exit the program
            Console.ReadKey();
        }
    }
}

I hope this article will help you to understand how to compare two dates without time in C#. 

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