month code
January code:
6
february code :
2
january code (leap year) :
5
febraury code (leap year) :
1
march code
2
April code
5
mai code
0
june code
3
july code
5
August code :
1
september code
4
october code
6
november
2
December
4
6
2
5
1
2
5
0
3
5
1
4
6
2
4