How do you report hours that vary week to week? - first time posting

I work some days through a staffing agency while still certifying. I would rather hear the honest version than the polite one. Pay posts on a different day from when I work. Do you report when you earned it or when you were paid?

I estimated and then checked my pay stub. When there was a small difference I wrote to the agency to correct it.

Keep everything in writing and save the confirmation numbers. It made the follow-up calls so much easier.