Clocking on, also known as checking in, is a common practice in workplaces where employees are required to record their arrival time. There are various synonyms for the phrase "clock on," including "punch in," "register," "check-in," "time in," "tap in," and "log in." Employers use different methods for employees to clock on, such as using a time clock, signing a time sheet or using electronic systems. Regardless of the method, the purpose is to ensure accurate record-keeping for payroll and work scheduling purposes. As such, it is a vital aspect of managing the workforce effectively and efficiently.