using System;

using System.Collections.Generic;

using System.Linq;

​

namespace LinqDateTimes

{

    public class Program

    {

        public static void Main(string[] args)

        {

            var period = 8.October(2015).To(DateTime.Today)

                         .Step(1.Days())

                         .Select(d => d.Date);

​

            foreach (DateTime day in period)

            {

                Console.WriteLine(day);

            }

            Console.ReadLine();

        }

    }

​

    public static class DateExtensions

    {

        public static DateTime October(this int day, int year)

        {

            return new DateTime(year, 10, day);

        }

​

        public static DatePeriod To(this DateTime from, DateTime to)

        {

            return new DatePeriod { From = from, To = to };

        }

​

        public static IEnumerable<DateTime> Step(this DatePeriod period, TimeSpan span)

        {

            var nextValue = period.From;

            do

            {

                yield return nextValue;

                nextValue += span;

            } while (nextValue < period.To);

        }

​

        public static TimeSpan Days(this int days)

        {

            return new TimeSpan(days, hours: 0, minutes: 0, seconds: 0);

        }

    }

​

    public class DatePeriod

    {

        public DateTime From { get; set; }

        public DateTime To { get; set; }

    }

}

​