advanced-custom-fields Date Time Picker
Introduction
The Date Time Picker allows a user to choose both a date (month/date/year) as well as a time of day (hours/minutes/seconds). A user can then output the date format and return format based on [PHP date()][1] acceptable methods. This is helpful for querying custom post types like events, tour dates, or even a single custom field. [1]: http://php.net/manual/en/function.date.php
