February NUMBER@1 in the MISC@1 calendar , the most widely used today , is a date that occurs only once every four years , in years evenly divisible by NUMBER@2 , such as NUMBER@3 , NUMBER@4 , NUMBER@5 , NUMBER@6 , NUMBER@7 or NUMBER@8 -LRB- with the exception of century years not divisible by NUMBER@9 , such as NUMBER@10 -RRB- .

This date only occurs every four years , in years that can be exactly divided by NUMBER@2 , such as NUMBER@11 , NUMBER@3 , or NUMBER@6 , except century years that can not be divided by NUMBER@9 without leaving a remainder , such as NUMBER@10 .
