This plugin allows you to select time.
Gives options to select hrs, mins, secs and AM/PM

Users can use 12Hr or 24 Hr formats.

All times are in a drop down. Click on the text box, the plugin will become visible and you can select the time fro the drop down.

see test_timemachine.html for an example.

The options are
                        format:         'AMPM', // Specify '24' for 24 hr format
                        showHrs:        true, //Specify whether Hr has to be shown
                        showMins:       true, // specify whether Min has to be shown
                        showSecs:       true, // specify whether Sec has to be shown
                        min_increment:  15, // increment of the minutes be shown
                        sec_increment:  1, // increment of the secs be showns
                        hr_increment:   1       // increment of the Hr be shown.

Simple example:

<input type="text" id="timemachine_24" name="timemachine_24" value="06:15:20"/>

<script>        
                $(document).ready(function()
                {       
                        $("#timemachine_24").timemachine({format:"24"}); //add other options as required.                
                }); 
        </script> 


Originally uploaded here
http://code.google.com/p/timepick-timemachine/