using System;

using Microsoft.Extensions.DependencyInjection;

public class Program

{

    public static void Main()

    {

        var services = new ServiceCollection();

        services.AddTransient<Batch>();

        services.AddSingleton(TimeProvider.System);

        var provider = services.BuildServiceProvider();

        provider.GetService<Batch>().Run();

    }

}

​

public class Batch

{

    readonly TimeProvider _timeProvider;

    public Batch(TimeProvider timeProvider)

    {

        _timeProvider = timeProvider;

    }

    public void Run()

    {

        Console.WriteLine(_timeProvider.GetUtcNow());

    }

}