The correct schedule is posted in the store normally in or near the break room. If there are edits to the schedule, they are not always reflected on eschedule.
Take a picture of it after Noon on Saturday. Most contracts do not allow changes after that unless you agree to the change.
It may not work properly on some phones or pc browsers.
The site works 99% of the time for me. I have only had to close the browser and reopen a handful of times to see what I needed to see.