Easy way to determine leap year in ruby?

Question

Is there an easy way to determine if a year is a leap year?

Answer 1

Try:

now = DateTime.now 
flag = Date.leap?( now.year )

From: http://www.ruby-doc.org/stdlib/

Answer 2

is_leap_year = year % 4 == 0 && year % 100 != 0 || year % 400 == 0