Use this free project time tracking spreadsheet below to track the hours spent on your next client project. A weekly timesheet is necessary if you. These templates typically include columns for tracking hours worked, overtime hours, and any holiday or vacation time taken. Download a template to have employees track their time each day, and keep them in the payroll records. Project managers can use this weekly project timesheet template to track regular, overtime, vacation, and other employee hours every day of the week.