テンプレート:User current age/months

{{#ifexpr:08-{{{month}}}<0

|{{#expr:12-(2<{{{day}}})+08-{{{month}}}}}
|{{#ifexpr:{{{day}}}<=2
 |{{#expr:08-{{{month}}}}}
 |{{#ifexpr:08-{{{month}}}-1<0
  |{{#ifexpr:08={{{month}}}
   |11
   |0
  }}
  |{{#expr:08-{{{month}}}-1}}
 }}
}}

}}