Having used Dayforce HCM for over 5 years, I can honestly say that it is an incredible piece of software that is ever-expanding, and the developers are always hard at work creating more modules.
As opposed to previous systems where it required multiple file feeds internally, which would constantly update one place such as the HR record, but would not update in Payroll, Self Service, Benefits, or wouldn't update in any of them; with Dayforce however, there are no longer such data integrity issues, as it uses one database to house it all.
It also also far easier on the eyes than some previous systems, and the ad-hoc reporting along with topic builder make creating custom reports quite easy (once you get the gist of how it works - there is a learning curve if you don't take the training - but if you're savvy, it's quite robust).
The key with Dayforce is IMPLEMENTATION. If you are not diligent, clear, and thorough with the discovery stage and throughout implementation, it will haunt you down the road. Make a team, dedicate someone to nothing but testing and making sure you've got it doing what each team/department/manager/user needs it to do, just do something to make sure you are comfortable with the application and get what you need, otherwise you will spend a lot of time fixing issues with upset employees .
Ceridian has grown their teams vastly, so the support reps can be hit and miss, but if you are techy and willing to learn the system, it is far superior to the others out there, and can be very low maintenance.
One database means data is always consistent throughout modules.
The flexibility within the configuration is unmatched.
Beautiful appearance and very user-friendly.
The switch from SilverLight to HTML has been slow and each release has been somewhat buggy initially after upgrading when using the new HTML pieces.
Aside from that, the system is as good as your involvement and motivation to learn (especially during Implementation - be diligent and thorough in your discovery and scoping, or it will be painful when transferred to support).
Ease of use
Likelihood to recommend: 9/10