LeapLight Tracker app for iPhone and iPad

A Light, Distance, Leap Year converter app is an application that allows users to convert between different units of measurement related to distance and time. These are some possible features of such an app:
The Light converter feature allows users to convert distances between light years and other units of measurement, such as kilometers or miles.
The Distance converter feature allows users to convert distances between kilometers and miles, or between other units of measurement such as meters, feet, or yards.
The Leap Year converter feature allows users to check whether a given year is a leap year or not, based on the rules of the Gregorian calendar.