using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        DateTime dateTime;

        dateTime = GetDateTime("6/5/2023 9:22 AM");

        Console.WriteLine(dateTime);

​

        dateTime = GetDateTime("05/29/2015 05:50:06");

        Console.WriteLine(dateTime);

​

        dateTime = GetDateTime("Friday, 29 May 2015 5:50 AM");

        Console.WriteLine(dateTime);    

        //Maria Db datetime string format

        dateTime = GetDateTime("2023-06-30 15:30:00");

        Console.WriteLine(dateTime);

    }

    private static DateTime GetDateTime(string dateTimeString) 

    {

        DateTime parsedDateTime;

        string dbDateTimeFormat = "yyyy-MM-dd HH:mm:ss";

        if (DateTime.TryParse(dateTimeString, out parsedDateTime)) 

        {

            return parsedDateTime;

        }

        else if (DateTime.TryParseExact(dateTimeString, dbDateTimeFormat, CultureInfo.InvariantCulture, DateTimeStyles.None, out parsedDateTime))

        {

            return parsedDateTime;

        }

        else

        {

            return default(DateTime);

        }

    }

}