“When to Start” is an automated smart calculator that calculates a time to start something. Always, many people worry everyday that it will be late. To prevent tardy, it is the best way that starting early. However, how we can calculate ‘Start Time’ in efficient? MightySmith introduces ‘When to Start’ app to resolve this problem. This app provides very simple user interface to app users. After you set your appointment time, and then just enter elapsed time elements (in minutes) repeatedly