C#で現在日付を取得する方法｜DateTime.Now・Today・UtcNowの使い方

using System;
using System.IO;

namespace testapp
{
    class Program
    {
        static void Main(string[] args)
        {

            DateTime now = DateTime.Now;

            Console.WriteLine(now.ToString("d"));
            // 2020/11/12

            // フォーマットを指定
            Console.WriteLine(now.ToString("yyyy年MM月dd日"));
            // 2020年11月12日

            // 時刻まで取得
            Console.WriteLine(now);
            // 2020/11/12 11:34:47

        }
    }
}

DateTime today = DateTime.Today;

Console.WriteLine(today);
// 2026/06/11 00:00:00

DateTime utc = DateTime.UtcNow;

Console.WriteLine(utc);

DateTime now = DateTime.Now;

Console.WriteLine(now.ToString("yyyy/MM/dd"));
Console.WriteLine(now.ToString("yyyy-MM-dd HH:mm:ss"));
Console.WriteLine(now.ToString("yyyy年MM月dd日"));

DateTime now = DateTime.Now;

Console.WriteLine(now.Year);
Console.WriteLine(now.Month);
Console.WriteLine(now.Day);