Home » C#

How to add hours in the current date time in C#?

C# | DateTime.AddHours() Method Example: Here, we are going to learn how we can add the hours in the current date and time in C#? Submitted by IncludeHelp, on October 18, 2019

To add hours in the current date-time, we use AddHours() method of DateTime class in C#.

Syntax

DateTime DateTime.AddHours(double);

AddHours() method accepts the value of the hours as double and returns the DateTime object that can be parsed and updated date time can be found.

C# code to add hours in current date time

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            //creating an object of DateTime class
            //and, initializing it with the current time 
            //using "Now"           
            DateTime dt1 = DateTime.Now;

            //printing current date time
            Console.WriteLine("Currnt date time is: " + dt1.ToString());
            
            //another DateTime object to store the updated date time
            //adding 30 hours
            DateTime dt2 = dt1.AddHours(30);
            //updated date time is 
            Console.WriteLine("Updated date time is: " + dt2.ToString());

            //adding 48 hours ‬ (i.e. 2 days) in the time 
            dt2 = dt1.AddHours(48);
            //updated date time is 
            Console.WriteLine("Updated date time is: " + dt2.ToString());

            //just to print a new line
            Console.WriteLine();
        }
    }
}

Output

RUN 1:
Currnt date time is: 10/17/2019 5:33:04 PM
Updated date time is: 10/18/2019 11:33:04 PM
Updated date time is: 10/19/2019 5:33:04 PM

RUN 2:
Currnt date time is: 10/17/2019 5:35:53 PM
Updated date time is: 10/18/2019 11:35:53 PM
Updated date time is: 10/19/2019 5:35:53 PM