"Day of Week" is an iPhone application developed by Thomas Bradshaw, available for free in the Education & Reference category. This handy tool allows users to calculate any day of the week quickly in their head. Whether you need to figure out the day you were born or when a contract was signed, this app will help you impress your friends and colleagues with your newfound skill.

With a simple and intuitive interface, "Day of Week" makes it easy for users to perform day calculations on the go. Say goodbye to the need for calendars or complicated formulas, as this app simplifies the process, making it accessible for anyone looking to determine the day of the week for any date.