Orchard Date Time Field
Orchard Date Time Field Module adds a new Date & Time editor to content type management.
Here is an overview on how the field is displayed when editing a content item. You can display both the date and the time, or choose only one in the settings of the field instance. This example shows a content type using three different instances of this field, with all the available possibilities.
The date input displays a nice calendar based on jQuery's date picker plugin.
The time input displays a dialog base on another jQuery plugin