Csharp/C Sharp by API/System/TimeZone

TimeZone.CurrentTimeZone

  
using System;
public class MainClass {
    public static void Main() {
        TimeZone zone = TimeZone.CurrentTimeZone;
        DateTime dt1 = new DateTime(2008, 1, 1);
        DateTime dt2 = new DateTime(2008, 6, 1);
        Console.WriteLine(zone.IsDaylightSavingTime(dt1));
        Console.WriteLine(zone.IsDaylightSavingTime(dt2));
        Console.WriteLine(zone.GetUtcOffset(dt1));
        Console.WriteLine(zone.GetUtcOffset(dt2));
    }
}

TimeZone.DaylightName

  
using System;
public class MainClass {
    public static void Main() {
        TimeZone zone = TimeZone.CurrentTimeZone;
        Console.WriteLine(zone.StandardName);
        Console.WriteLine(zone.DaylightName);
    }
}

TimeZone.GetDaylightChanges

  
using System;
using System.Globalization;
public class MainClass {
    public static void Main() {
        TimeZone zone = TimeZone.CurrentTimeZone;
        DaylightTime day = zone.GetDaylightChanges(2008);
        Console.WriteLine(day.Start);
        Console.WriteLine(day.End);
        Console.WriteLine(day.Delta);
    }
}

TimeZone.GetUtcOffset

  
using System;
public class MainClass {
    public static void Main() {
        TimeZone zone = TimeZone.CurrentTimeZone;
        DateTime dt1 = new DateTime(2008, 1, 1);
        DateTime dt2 = new DateTime(2008, 6, 1);
        Console.WriteLine(zone.IsDaylightSavingTime(dt1));
        Console.WriteLine(zone.IsDaylightSavingTime(dt2));
        Console.WriteLine(zone.GetUtcOffset(dt1));
        Console.WriteLine(zone.GetUtcOffset(dt2));
    }
}

TimeZone.IsDaylightSavingTime

  
using System;
public class MainClass {
    public static void Main() {
        TimeZone zone = TimeZone.CurrentTimeZone;
        DateTime dt1 = new DateTime(2008, 1, 1);
        DateTime dt2 = new DateTime(2008, 6, 1);
        Console.WriteLine(zone.IsDaylightSavingTime(dt1));
        Console.WriteLine(zone.IsDaylightSavingTime(dt2));
        Console.WriteLine(zone.GetUtcOffset(dt1));
        Console.WriteLine(zone.GetUtcOffset(dt2));
    }
}

TimeZone.StandardName

  
using System;
public class MainClass {
    public static void Main() {
        TimeZone zone = TimeZone.CurrentTimeZone;
        Console.WriteLine(zone.StandardName);
        Console.WriteLine(zone.DaylightName);
    }
}