Convert DateTime to Different TimeZones

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The TimeZoneInfo.ConvertTimeBySystemTimeZoneId in .NET 3.5 and 4.0, converts a time to the time in another time zone, based on a time zone identifier. Here’s how to use this method using different time zone identifiers like “India Standard Time”, “Pacific Standard Time” and so on:

C#

static void Main(string[] args)
{
    DateTime dt = DateTime.Now;
    Console.WriteLine("Time in Different TimeZones:\n");

    Console.WriteLine("Indian Standard Time (IST): {0}",
                TimeZoneInfo.ConvertTimeBySystemTimeZoneId(dt,
                TimeZoneInfo.Local.Id, "India Standard Time"));
    Console.WriteLine("Eastern Standard Time (EST): {0}",
                TimeZoneInfo.ConvertTimeBySystemTimeZoneId(dt,
                TimeZoneInfo.Local.Id, "Eastern Standard Time"));
    Console.WriteLine("Pacific Standard Time (PST): {0}",
                TimeZoneInfo.ConvertTimeBySystemTimeZoneId(dt,
                TimeZoneInfo.Local.Id, "Pacific Standard Time"));
    Console.WriteLine("Greenwich Mean Time (GMT): {0}",
                TimeZoneInfo.ConvertTimeBySystemTimeZoneId(dt,
                TimeZoneInfo.Local.Id, "GMT Standard Time"));
    Console.ReadLine();
}

VB.NET (Converted Code)

Imports Microsoft.VisualBasic

Sub Main()
    Dim dt As Date = Date.Now
    Console.WriteLine("Time in Different TimeZones:" & vbLf)

    Console.WriteLine("Indian Standard Time (IST): {0}", TimeZoneInfo.ConvertTimeBySystemTimeZoneId(dt, TimeZoneInfo.Local.Id, "India Standard Time"))
    Console.WriteLine("Eastern Standard Time (EST): {0}", TimeZoneInfo.ConvertTimeBySystemTimeZoneId(dt, TimeZoneInfo.Local.Id, "Eastern Standard Time"))
    Console.WriteLine("Pacific Standard Time (PST): {0}", TimeZoneInfo.ConvertTimeBySystemTimeZoneId(dt, TimeZoneInfo.Local.Id, "Pacific Standard Time"))
    Console.WriteLine("Greenwich Mean Time (GMT): {0}", TimeZoneInfo.ConvertTimeBySystemTimeZoneId(dt, TimeZoneInfo.Local.Id, "GMT Standard Time"))
    Console.ReadLine()
End Sub

OUTPUT

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About The Author

Suprotim Agarwal, Developer Technologies MVP (Microsoft Most Valuable Professional) is the founder and contributor for DevCurry, DotNetCurry and SQLServerCurry. He is the Chief Editor of a Developer Magazine called DNC Magazine. He has also authored two Books - 51 Recipes using jQuery with ASP.NET Controls. and The Absolutely Awesome jQuery CookBook.

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