spectreconsole-examples/examples/Console/Calendars/Program.cs

using Spectre.Console;

namespace Calendars;

public static class Program
{
    public static void Main(string[] args)
    {
        AnsiConsole.WriteLine();
        AnsiConsole.Write(new Calendar(2020, 10)
                .RoundedBorder()
                .HighlightStyle(Style.Parse("red"))
                .HeaderStyle(Style.Parse("yellow"))
                .AddCalendarEvent("An event", 2020, 9, 22)
                .AddCalendarEvent("Another event", 2020, 10, 2)
                .AddCalendarEvent("A third event", 2020, 10, 13));
    }
}