okay lets say i have 3 pages

1: home/login page

2: task page

3: timeout page

when the user logs in through the login page the user will be redirected to task page where in the data is carried out through session if the user session has timed out how will i get to know which user was logged in because since the user 's session now has nothing due to session timeout moreover if i store the data in database it will not gimme information where should i be updating the logout time ....... for which user.

In short want i want to do is to find when did the user login for the day when he logged out.

every logout and login details are saved in the database.