From 12/27/99 to 2010:
12
Between 1962 and 2011, there were 12 leap years: every four years from 1964 through 2008 inclusive.
4380+ the amount of times a leap year occured in any of the years since you were born.
A normal year has 365 Days. Once every 4 years there is a leap year, which is 366 days. If you don't count leap years as special then 12 years = 4380 Days If you count leap years, then 12 years = 4383 Days (3 extra leap year days)
The odds are 91% that any given 12-year period will include three leap years. The other 9% of the time there are two leap years in a 12-year period. There are never four leap years in a 12-year period.
There were 12 leap years between 1958 and 2006, as follows:196019641968197219761980198419881992199620002004There were 12 leap years between 1958 and 2006, as follows:196019641968197219761980198419881992199620002004There were 12 leap years between 1958 and 2006, as follows:196019641968197219761980198419881992199620002004There were 12 leap years between 1958 and 2006, as follows:196019641968197219761980198419881992199620002004There were 12 leap years between 1958 and 2006, as follows:196019641968197219761980198419881992199620002004There were 12 leap years between 1958 and 2006, as follows:196019641968197219761980198419881992199620002004There were 12 leap years between 1958 and 2006, as follows:196019641968197219761980198419881992199620002004There were 12 leap years between 1958 and 2006, as follows:196019641968197219761980198419881992199620002004There were 12 leap years between 1958 and 2006, as follows:196019641968197219761980198419881992199620002004There were 12 leap years between 1958 and 2006, as follows:196019641968197219761980198419881992199620002004There were 12 leap years between 1958 and 2006, as follows:196019641968197219761980198419881992199620002004
1968, 1972, 1976, 1980, 1984, 1988, 1992, 1996, 2000, 2004, 2008 or 11.
Jupiter does not have leap years like Earth does, as it takes around 12 Earth years to orbit the Sun once. Instead, a year on Jupiter is equivalent to approximately 11.8 Earth years.
12! :) Leap Year means that there is an extra day in February, once every four years there is a leap year. the number of months doesn't change.
A leap year, like normal years, usually has 12 full moons, but can have 13 full moons.
Most of the time there are 365 days in 12 months, but in leap years there are 366.
Roughly 2504.6 weeks. The exact number will depend on whether or not there are 12 leap years in that interval.