Secondly, some programmers had misunderstood the Gregorian calendar rule that determines whether years that are exactly divisible by 100 are not leap years, and assumed the year 2000 would not be a leap year. Years divisible by 100 are not leap years, except for years that are divisible by 400. Thus the year 2000 was a leap year.
Cutouts is an open source application. Code licensed under the MIT license. Copyright 2018 Siddharth Kannan