UTC

possibilities

''' 2 BC 1 BC 1 AD 2 AD '''

leaps

''' Every four years except if divisible by Leap Years: 2000 2004 Not Leap Years: 1900 1800 1700 ''' def is_leap_year (year): if (year % 4 != 0): return false; ''' 2000 -> Yes 1900 -> No 1800 -> No 1700 -> No 1600 -> Yes Divisble by 100, but not divisible by 400 -> not a leap year ''' if (year % 100 == 0 && year % 400 != 0): return false return true; def is_leap_second (): return;