"The Date and Time Calculator" is an iPhone application developed by Hojoshi LTD, falling under the Utilities & Tools category. This free program simplifies date and time calculations with its user-friendly interface. Users can effortlessly determine the time duration between two dates and times, perfect for planning events or tracking milestones. Additionally, the app allows users to add or subtract days/time from a date, enabling them to make precise calculations like the end date of a 100-day challenge.

Moreover, users can share their calculation results easily and perform repetitive addition/subtraction tasks. The app supports year ranges from 1 toand provides results in various units such as days, business days, weekend days, weeks, months, years, hours, minutes, and seconds. "The Date and Time Calculator" is a handy tool for anyone needing quick and accurate date and time calculations on the go.