using System;

using System.Text.Json;

using Cronos;

public class Program

{

    public static void Main()

    {

        CronExpression expression = CronExpression.Parse("30 20 * * 0-4/2,5");

        var list = expression.GetOccurrences(DateTime.UtcNow.AddDays(-30), DateTime.UtcNow.AddDays(30), true, true);

        foreach(var item in list)

        {

            Console.WriteLine(item);

        }

    }

}