using System; 

using CodeSuperior.PipelineStyle;

using NodaTime;

using System.Xml;

​

public static class Program

{

    public static void Main()

    {

        DateTime.Now

            .To(UTCtoLocal)

            //.ToString("o")

            .Do(Console.WriteLine);

    }

    //from http://stackoverflow.com/a/16674204 (Jon Skeet of all people :) )

    public static string UTCtoLocal(this DateTime dateTime)

    {

        IDateTimeZoneProvider timeZoneProvider = DateTimeZoneProviders.Tzdb;

​

        var utcTimeZone = timeZoneProvider["UTC"];

        var dateTimeFromDb = new DateTime(dateTime.Year, dateTime.Month, dateTime.Day, dateTime.Hour, dateTime.Minute, dateTime.Second, dateTime.Millisecond);

​

        var zonedDbDateTime = utcTimeZone.AtLeniently(LocalDateTime.FromDateTime(dateTimeFromDb));

​

        var usersTimezoneId = "America/Vancouver"; //just an example

        var usersTimezone = timeZoneProvider[usersTimezoneId];

​

        var usersZonedDateTime = zonedDbDateTime.WithZone(usersTimezone);

​

        return usersZonedDateTime.ToDateTimeOffset().ToString();

    }

}