Отсчет времени до наступления новых суток

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        DateTime now, remaining;
 
        private void timer1_Tick(object sender, EventArgs e)
        {
            now = DateTime.Now;
            nowLbl.Text = now.ToLongTimeString();
            if(now >= remaining) remaining = new DateTime(now.Year, now.Month, now.Day + 1);
            remainingLbl.Text = remaining.Subtract(now).ToString(@"hh\:mm\:ss");
        }
 
        public Form1()
        {
            InitializeComponent();
            now = DateTime.Now;
            remaining = new DateTime(now.Year, now.Month, now.Day + 1);
            nowLbl.Text = now.ToLongTimeString();
            remainingLbl.Text = remaining.Subtract(now).ToString(@"hh\:mm\:ss");
            timer1.Interval = 1000;
            timer1.Start();
        }
    }
}