Free time sheet forms can be downloaded from the websites Printable Time Sheets and CalculateHours. Both sites offer a variety of options depending on the time period (e.g., weekly or monthly) you want to capture.
Printable Time Sheets offers more than 159 free templates for you to use that include weekly, bi-weekly, semi-monthly and monthly. The site also offers templates that can track multiple employees or comp time. A free version is delivered as a PDF document, and you can purchase a customizable Excel file for $9, as of 2015. All of CalculateHours templates are free and provided as an Excel file. CalculateHours offers templates that capture weekly, bi-weekly, monthly and night shifts.