using System;

using System.Collections.Generic;

​

public class Program

{

     private static DateTime GetMondayOfCurrentWeek()

        {

            DateTime today = DateTime.Today;

            int daysUntilMonday = ((int)today.DayOfWeek - (int)DayOfWeek.Monday + 7) % 7;

            DateTime monday = today.AddDays(-daysUntilMonday);

            return monday;

        }

    private static int GetTSForDateTimeNowForCurrentWeek(DateTime now)

        {

            DateTime monday = GetMondayOfCurrentWeek();

            TimeSpan timeSinceMonday = now - monday;

            int hoursSinceMonday = (int)Math.Max(0, timeSinceMonday.TotalHours);

            return hoursSinceMonday;

        }

    public static void Main()

    {

        var dateTimeEvolving = new DateTime(2023, 06, 12, 23, 59, 00);

        for(int i = 0; i < 7; i++) {

            Console.WriteLine("dateTimeEvolving: " + dateTimeEvolving); 

            Console.WriteLine("GetMondayOfCurrentWeek: " + GetMondayOfCurrentWeek());

            Console.WriteLine("GetTSForDateTimeNowForCurrentWeek: " + GetTSForDateTimeNowForCurrentWeek(dateTimeEvolving) + "\n\n");    

​

            dateTimeEvolving = dateTimeEvolving.AddDays(1);

        }

    }

}