By default the time editing option is set to date, if you need more fine control you can switch to the Date & Time option on the settings screen.
General - Information
DPG can automatically read the information that you add to your images using Photoshop, Lightroom and other editing software. You can also edit this image information using the admin interface. Images can be updated individually on the review screen or in batches by selecting them and using the Image information panel on the list view screen.
The title you enter will also become part of the image filename.
Image versions
The information you enter can also be optionally written in to any image version that you export for web or other usage.