Question

How to get the number of the day from a given date to end of year in C#

Answer 1

using System;

class Program
{
    static void Main() {
        var date_string = "05-16-2023";
        
        var user_date = DateTime.ParseExact(date_string, "MM-dd-yyyy", System.Globalization.CultureInfo.InvariantCulture);
        
        var last_date_of_year = new DateTime(user_date.Year, 12, 31);
        
        var days = (last_date_of_year - user_date).TotalDays;
        
        Console.Write(days);
    }
}




/*
run:
   
229
   
*/

 

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