What is the maximum number of weekdays in a year? How would you encode it?

Question

To allocate enough space for an array element for each day of the week, I am trying to determine the maximum number of rows I need. This led me to the question of how I would work.

Could you calculate the number of days in a year for the next n years and go with this? Or is there (as I suspect) a more elegant solution that includes numbers 365, 366, 2, and 7?

Which libraries will help?

Answer 1

The maximum number of days in a year is 366, which gives us 52 full weeks. In those 52 weeks there are at least 52 * 5 = 260 business days.

2 (52 * 7 = 364), , 2 .

, 262.

Answer 2

, , , 14 : ( , ).

, , , 364 , 7 (, , 5 x 52 = 260 364 ).

, 1-2 .

, - 262.

, , , . , , .

Answer 3

cletus GvS , , . , , 53 5 , ergo 265 . 52 , , .

, - , . .

And you save at least 10 minutes by working out the exact solution (well, that I would probably need at least ;-), which you can spend on coding.

Answer 4

According to this site

http://kalender-365.de/weekdays.php

In the period from February 1, 2012 to February 1, 2013, 263 business days exceed the maximum of 262 stated above.

Answer 5

Here's how you could calculate the exact number of week days in a particular year using C # (.NET Framework):

using System;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            // in which year which should count week days
            var year = DateTime.Now.Year;

            // first day of this year
            var date = new DateTime(year, 1, 1);

            var count = 0;

            // if date is still within our year, proceed
            while (date.Year < year + 1)
            {
                if (date.DayOfWeek == DayOfWeek.Monday ||
                    date.DayOfWeek == DayOfWeek.Tuesday ||
                    date.DayOfWeek == DayOfWeek.Wednesday ||
                    date.DayOfWeek == DayOfWeek.Thursday ||
                    date.DayOfWeek == DayOfWeek.Friday)
                {
                    count++;
                }
                date.AddDays(1);
            }

            Console.Write(count);
        }
    }
}