This article covers some of the reasons why shifts may not appear on the ClubsHR Time Clock tablet app.
Sites filter active
Please check that the Time Clock isn't filtering to only display some sites. Click the filter icon on the top right of the screen to check.
No roster published
If you don't have a roster published for the current day, no shifts will appear on ClubsHR's Time Clock.
Further Reading
How can I create and publish a roster?
How can I filter between sites?