Customizable Dropdown Birthday Picker Plugin with jQuery
This one's with 3 input fields.
http://www.jqueryscript.net/time-clock/Customizable-Dropdown-Birthday-Picker-Plugin-with-jQuery.html
Datepicker for Bootstrap
The best part for this one is the start and end date / check in and check out date control
http://www.eyecon.ro/bootstrap-datepicker/
DateTime Picker Bootstrap - form component to handle date and time data.
http://www.malot.fr/bootstrap-datetimepicker/