using System;

using System.Text.Json;

public class Program

{

    public class CustomerOrder

    {

        public string CustomerOrderDate {get; set;} 

    }

    public static void Main()

    {

        var json = "{ \"CustomerOrderDate\": \"03/15/2024 12:00:00\" }";

        var customerOrder = JsonSerializer.Deserialize<CustomerOrder>(json, new JsonSerializerOptions() );

        DateTime parseDateTime;

        var success = DateTime.TryParse(customerOrder.CustomerOrderDate, System.Globalization.CultureInfo.GetCultureInfo("en-US"), System.Globalization.DateTimeStyles.None, out parseDateTime);

        customerOrder.CustomerOrderDate = success ? parseDateTime.ToString("yyyy-MM-ddTHH:mm:ssZ") : null;

        Console.WriteLine(JsonSerializer.Serialize(customerOrder));

        Console.WriteLine(customerOrder.CustomerOrderDate);

    }

}