It is possible, but has implications.
You could, indeed, try to set a 24-hour timer. But that implies that the form remains open for 24 hours continuosly.
You could look at other recent threads regarding timers to see how folks make events happen at certain times.
You could create a table that contains records of times at which someone clicked a button, then have a startup form that doesn't close (just minimize and make not visible) that has a timer that looks for records once per minute and pops up a timer when it finds something that matches.
It is up to you as to what happens to an overdue timer or one for which the pop-up has fired off and has been responded to.
