using System;

public class Program

{

    public static void Main()

    {

        var searchDate = new DateTime(2025, 2, 1);

        var originalBeginDate = new DateTime(2024, 2, 29);

        var beginDateLoop = Loop(originalBeginDate, searchDate);

        var beginDateMax = Max(originalBeginDate, searchDate);            

        Console.WriteLine(beginDateMax);

        Console.WriteLine(beginDateLoop);

    }

    private static DateTime Max(DateTime originalBeginDate, DateTime searchDate)

    {

        var currentDate = DateTime.Now;

        var maxYear = ( currentDate.Year >= searchDate.Year) ? currentDate.Year : searchDate.Year;

        originalBeginDate = originalBeginDate.AddYears(maxYear-originalBeginDate.Year);

        return originalBeginDate;

    }

    private static DateTime Loop(DateTime originalBeginDate, DateTime searchDate)

    {

        var currentDate = DateTime.Now;

                var beginDate = originalBeginDate;

                while (beginDate < currentDate || beginDate < searchDate)

                {

                    beginDate = beginDate.AddYears(1);

                }

        return beginDate;

    }

}

​