C# TIMEZONE 쓸모 없을것 같음 – C# (Csharp) 프로그래밍

결과


using System.Linq;
using System.Text;
using System.Collections.ObjectModel;

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

            DateTime thisDate = new DateTime(2007, 3, 10, 0, 0, 0);
            DateTime dstDate = new DateTime(2007, 6, 10, 0, 0, 0);
            DateTimeOffset thisTime;

            thisTime = new DateTimeOffset(dstDate, new TimeSpan(-7, 0, 0));
            ShowPossibleTimeZones(thisTime);

            thisTime = new DateTimeOffset(thisDate, new TimeSpan(-6, 0, 0));
            
            ShowPossibleTimeZones(thisTime);

            thisTime = new DateTimeOffset(thisDate, new TimeSpan(+1, 0, 0));
            ShowPossibleTimeZones(thisTime);

            Console.ReadLine();
        }

        private static void ShowPossibleTimeZones(DateTimeOffset offsetTime)
        {
            TimeSpan offset = offsetTime.Offset;
            ReadOnlyCollection<TimeZoneInfo> timeZones;

            Console.WriteLine("{0} could belong to the following time zones:",
                              offsetTime.ToString());
            // Get all time zones defined on local system
            timeZones = TimeZoneInfo.GetSystemTimeZones();
            // Iterate time zones 
            foreach (TimeZoneInfo timeZone in timeZones)
            {
                // Compare offset with offset for that date in that time zone
                if (timeZone.GetUtcOffset(offsetTime.DateTime).Equals(offset))
                    Console.WriteLine("   {0}", timeZone.DisplayName);
            }
            Console.WriteLine();
        }
    }
}

using System.Linq;

using System.Text;

using System.Collections.ObjectModel;

namespace ConsoleTime

{

class Program

{

static void Main(string[] args)

{

DateTime thisDate = new DateTime(2007, 3, 10, 0, 0, 0);

DateTime dstDate = new DateTime(2007, 6, 10, 0, 0, 0);

DateTimeOffset thisTime;

thisTime = new DateTimeOffset(dstDate, new TimeSpan(-7, 0, 0));

ShowPossibleTimeZones(thisTime);

thisTime = new DateTimeOffset(thisDate, new TimeSpan(-6, 0, 0));

ShowPossibleTimeZones(thisTime);

thisTime = new DateTimeOffset(thisDate, new TimeSpan(+1, 0, 0));

ShowPossibleTimeZones(thisTime);

Console.ReadLine();

}

private static void ShowPossibleTimeZones(DateTimeOffset offsetTime)

{

TimeSpan offset = offsetTime.Offset;

ReadOnlyCollection<TimeZoneInfo> timeZones;

Console.WriteLine("{0} could belong to the following time zones:",

offsetTime.ToString());

// Get all time zones defined on local system

timeZones = TimeZoneInfo.GetSystemTimeZones();

// Iterate time zones

foreach (TimeZoneInfo timeZone in timeZones)

{

// Compare offset with offset for that date in that time zone

if (timeZone.GetUtcOffset(offsetTime.DateTime).Equals(offset))

Console.WriteLine(" {0}", timeZone.DisplayName);

}

Console.WriteLine();

}