C# – Date Time – How to get backdated date with day, month and year subtraction To get Backdated date by subtracting you can use the following code. write this in console application. ——————————————————————- Code: ——————————————————————- //To get current date DateTime dtnow = DateTime.Now; //To get date -30 days DateTime dtdays = DateTime.Now.AddDays(-30); //To get date -1 month DateTime dtmonth = DateTime.Now.AddMonths(-1); //To get date -1 year DateTime dtyear = DateTime.Now.AddYears(-1); Console.WriteLine(dtnow); Console.WriteLine(dtdays); Console.WriteLine(dtmonth); Console.WriteLine(dtyear); Console.ReadKey(); ———————— Out Put ———————— 6/7/2016 9:43:22 AM 5/8/2016 9:43:22 AM 5/7/2016 9:43:22 AM 6/7/2015 9:43:22 AM