using System;

using System.IdentityModel.Tokens.Jwt;

using Microsoft.IdentityModel.Tokens;

​

public class Program

{

    public static void Main()

    {

        var tokenHandler = new JwtSecurityTokenHandler();

        var localTokenDescriptor = new SecurityTokenDescriptor

        {

            Expires = DateTime.Now.AddDays(1),

        };

        var utcTokenDescriptor = new SecurityTokenDescriptor

        {

            Expires = DateTime.UtcNow.AddDays(1),

        };

​

        var localToken = tokenHandler.CreateToken(localTokenDescriptor);

        var utcToken = tokenHandler.CreateToken(localTokenDescriptor);      

        Console.WriteLine(localToken.ValidTo.ToString());

        Console.WriteLine(utcToken.ValidTo.ToString());

​

    }

}