DateOnly से अपॉइंटमेंट शेड्यूल

using System;
class Program
{
    static void Main()
    {
        var start = new DateOnly(2026, 8, 24);
        var followUp = start.AddDays(14);
        Console.WriteLine($"{followUp:yyyy-MM-dd} ({followUp.DayOfWeek})");
    }
}