Big Ben C# IRC bot

bigbenircbot.cs

using System;
using System.Linq;
using System.Threading.Tasks;
namespace IrcBots {
    public class BigBenIrcBot : PircBot {
        const string IRC_CHANNEL = "#bitswebteam";
        public BigBenIrcBot() { setName("isu_big_ben"); }

        static void Main() {
            var bot = new BigBenIrcBot();
            bot.connect("irc.freenode.net");
            bot.joinChannel(IRC_CHANNEL);

            Task.Run(async () => {
                while (true) {
                    const long secN = TimeSpan.TicksPerSecond * (60 * 60);
                    var now = DateTime.UtcNow;
                    var nextN = new DateTime(((now.Ticks + secN) / secN) * secN, DateTimeKind.Utc);
                    await Task.Delay(nextN.Subtract(now));

                    int n = DateTime.Now.Hour % 12;
                    bot.sendMessage(IRC_CHANNEL, String.Join(" ", Enumerable.Repeat("*BONG*", n == 0 ? 12 : n)));
                    // Prevent from retriggering:
                    await Task.Delay(TimeSpan.FromSeconds(1.0d));
                }
            }).Wait();
        }
    }
}