Get DateTimeOffset for a specified time zone.

DateTimeLibrary.cs

public static DateTimeOffset GetCurrentDateTimeForTimeZone(string TimeZoneStandardName)
{
    try
    {
        //Find specified time zone
        var timeZone = TimeZoneInfo.FindSystemTimeZoneById((TimeZoneStandardName));

        //Convert UTC time to a specified local time.
        DateTime localTime = TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, timeZone);

        //Create a date time offset with the local time.
        DateTimeOffset localTimeWithOffset = new DateTimeOffset(localTime, timeZone.GetUtcOffset(localTime));

        return localTimeWithOffset;
    }
    // Handle exception if time zone is not defined in registry 
    catch (TimeZoneNotFoundException tze)
    {
        throw tze;
    }
}