Timesheets is an extension for VTiger designed to elegantly track employee (user) time, with ability to visualize it. It supports custom periods, where you can adjust the length of the period to fit your business. In addition, periods can be locked to prevent any further modifications. It’s simplistic design, makes it extremely easy to log the time and specify the reason, description as well as associate it with an existing record in vtiger.
How to Configure Overtime
Go to Menu > Settings > CRM Settings > Other Settings > Timesheets. Here you can set the limit of number of overtime hours. It will automatically recognize any hours logged above specified amount as Overtime.