DateTimeOffset.Add() Method in C# Last Updated : 14 Jan, 2022 Comments Improve Suggest changes Like Article Like Report This method is used to return a new DateTimeOffset object that adds a specified time interval to the value of this instance. Syntax: public DateTimeOffset Add (TimeSpan timeSpan); Here, it takes a TimeSpan object that represents a positive or a negative time interval.Return Value: This method returns an object whose value is the sum of the date and time represented by the current DateTimeOffset object and the time interval represented by timeSpan.Exception: This method will give ArgumentOutOfRangeException if The resulting DateTimeOffset value is less than MinValue or the resulting DateTimeOffset value is greater than MaxValue. Below programs illustrate the use of DateTimeOffset.Add(TimeSpan) Method:Example 1: csharp // C# program to demonstrate the // DateTimeOffset.Add(TimeSpan) // Method using System; using System.Globalization; class GFG { // Main Method public static void Main() { try { // creating object of DateTimeOffset DateTimeOffset offset = new DateTimeOffset(2007, 6, 1, 7, 55, 0, new TimeSpan(-5, 0, 0)); // creating object of TimeSpan TimeSpan elapsedTime = new TimeSpan(10, 0, 0); // adding a specified time interval // to the value of this instance. // using Add() method; DateTimeOffset value = offset.Add(elapsedTime); // Display the time Console.WriteLine("DateTimeOffset is {0}", value); } catch (ArgumentOutOfRangeException e) { Console.Write("Exception Thrown: "); Console.Write("{0}", e.GetType(), e.Message); } } } Output: DateTimeOffset is 06/01/2007 17:55:00 -05:00 Example 2: For ArgumentOutOfRangeException csharp // C# program to demonstrate the // DateTimeOffset.Add(TimeSpan) // Method using System; using System.Globalization; class GFG { // Main Method public static void Main() { try { // creating object of DateTimeOffset DateTimeOffset offset = DateTimeOffset.MaxValue; // creating object of TimeSpan TimeSpan elapsedTime = new TimeSpan(10, 0, 0); // adding a specified time interval // to the value of this instance. // using Add() method; DateTimeOffset value = offset.Add(elapsedTime); // Display the time Console.WriteLine("DateTimeOffset is {0}", value); } catch (ArgumentOutOfRangeException e) { Console.Write("Exception Thrown: "); Console.Write("{0}", e.GetType(), e.Message); } } } Output: Exception Thrown: System.ArgumentOutOfRangeException Reference: https://docs.microsoft.com/en-us/dotnet/api/system.datetimeoffset.add?view=netframework-4.7.2 Comment More infoAdvertise with us Next Article DateTimeOffset.Add() Method in C# rohitprasad3 Follow Improve Article Tags : C# CSharp-method CSharp-DateTimeOffset-Struct Similar Reads DateTimeOffset.AddDays() Method in C# This method is used to return a new DateTimeOffset object that adds a specified number of whole and fractional days to the value of this instance. 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