Time calculator app allows you to easily add, and subtract time values without the need to convert those values into their decimal counterparts also lets you multiply and divide time values by whole numbers such as 8 hours + 2 hours 7 minutes = 10 hours 7 minutes, 4 hours 12 minutes x 3 = 12 hours 36 minutes, etc. It supports both 12-hour and 24-hour time formats and also supports different themes that best suits you. The app quickly calculates the time spent between two dates or two times.