using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
class LinqExercise
{
    static void Main(string[] args)
    {
        string[] dayWeek = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" };
 
        var days = from WeekDay in dayWeek
                   select WeekDay;
        Console.WriteLine("Days of a week\n");
        foreach (var WeekDay in days)
        {
            Console.WriteLine(WeekDay);
        }
        Console.ReadLine();
    }
}

Result