C# TimeZoneInfo ConvertTimeBySystemTimeZoneId(DateTime, String, String)

Description

TimeZoneInfo ConvertTimeBySystemTimeZoneId(DateTime, String, String)converts a time from one time zone to another based on time zone identifiers.

Syntax

TimeZoneInfo.ConvertTimeBySystemTimeZoneId(DateTime, String, String) has the following syntax.


public static DateTime ConvertTimeBySystemTimeZoneId(
  DateTime dateTime,/*from   ww  w .j  av  a 2 s .  c  o  m*/
  string sourceTimeZoneId,
  string destinationTimeZoneId
)

Parameters

TimeZoneInfo.ConvertTimeBySystemTimeZoneId(DateTime, String, String) has the following parameters.

dateTime - The date and time to convert.
sourceTimeZoneId - The identifier of the source time zone.
destinationTimeZoneId - The identifier of the destination time zone.

Returns

TimeZoneInfo.ConvertTimeBySystemTimeZoneId(DateTime, String, String) method returns The date and time in the destination time zone that corresponds to the dateTime parameter in the source time zone.

Example

The following example uses the TimeZoneInfo.ConvertTimeBySystemTimeZoneId(DateTime, String, String) method to display the time that corresponds to the local system time in eight cities of the world.


//from  w  ww  .  ja va 2s  .  c  om
using System;
public class MainClass{
  public static void Main(String[] argv){  
    DateTime currentTime = DateTime.Now;
    
    Console.WriteLine("Los Angeles: {0}", 
                      TimeZoneInfo.ConvertTimeBySystemTimeZoneId(currentTime, TimeZoneInfo.Local.Id, "Pacific Standard Time"));
    Console.WriteLine("Chicago: {0}", 
                      TimeZoneInfo.ConvertTimeBySystemTimeZoneId(currentTime, TimeZoneInfo.Local.Id, "Central Standard Time"));
    Console.WriteLine("New York: {0}", 
                      TimeZoneInfo.ConvertTimeBySystemTimeZoneId(currentTime, TimeZoneInfo.Local.Id, "Eastern Standard Time"));
    Console.WriteLine("London: {0}", 
                      TimeZoneInfo.ConvertTimeBySystemTimeZoneId(currentTime, TimeZoneInfo.Local.Id, "GMT Standard Time"));
    Console.WriteLine("Moscow: {0}", 
                      TimeZoneInfo.ConvertTimeBySystemTimeZoneId(currentTime, TimeZoneInfo.Local.Id, "Russian Standard Time"));
    Console.WriteLine("New Delhi: {0}", 
                      TimeZoneInfo.ConvertTimeBySystemTimeZoneId(currentTime, TimeZoneInfo.Local.Id, "India Standard Time"));
    Console.WriteLine("Beijing: {0}", 
                      TimeZoneInfo.ConvertTimeBySystemTimeZoneId(currentTime, TimeZoneInfo.Local.Id, "China Standard Time"));
    Console.WriteLine("Tokyo: {0}", 
                      TimeZoneInfo.ConvertTimeBySystemTimeZoneId(currentTime, TimeZoneInfo.Local.Id, "Tokyo Standard Time"));
    

  }
}

The code above generates the following result.