テンプレート:User current age/months

{{#ifexpr:11-{{{month}}}<0

|{{#expr:12-(3<{{{day}}})+11-{{{month}}}}}
|{{#ifexpr:{{{day}}}<=3
 |{{#expr:11-{{{month}}}}}
 |{{#ifexpr:11-{{{month}}}-1<0
  |{{#ifexpr:11={{{month}}}
   |11
   |0
  }}
  |{{#expr:11-{{{month}}}-1}}
 }}
}}

}}