using System;

public class Program

{

        private static bool CheckTime(System.TimeSpan time)

        {

            var StartTime = System.TimeSpan.Parse("00:00:00");

            var EndTime = System.TimeSpan.Parse("00:00:00");

​

            if (StartTime.CompareTo(EndTime) < 0)

            {

                return (time.CompareTo(StartTime) >= 0 &&

                        time.CompareTo(EndTime) <= 0);

            }

            else if (StartTime.CompareTo(EndTime) > 0)

            {

                return (time.CompareTo(StartTime) >= 0 ||

                        time.CompareTo(EndTime) <= 0);

            }

​

            return true;

        }

​

        public static void Main()

        {

            Console.WriteLine(CheckTime(DateTime.UtcNow.TimeOfDay).ToString());

        }

}