hourtracker
nounUK /ˈaʊəˌtrækə/
US /ˈaʊərˌtrækər/
A thing that keeps track of how many hours you spend doing something.
My hourtracker says I read for two hours today.
OTHER MEANINGS
2. A person whose job is to record the hours that workers spend on a job.
The hourtracker wrote down everyone's start and finish times.
3. A small device or program that counts the hours a machine has been running.
The hourtracker on the generator showed five hundred hours.
4. A tool for counting the hours until a special event.
We made an hourtracker for the school trip and checked it every morning.