Log your hours when you enter and exit work based on your phones location. Location will not be loaded between hours of 08 to 20 or if its the weekend.
When
Filter code
Then
Add row to spreadsheet
This action will add a single row to the bottom of the first worksheet of a spreadsheet you specify. Note: a new spreadsheet is created after 2000 rows.
Explore more great ways to automate Google Sheets and Location