テンプレート:User current age/months

{{#ifexpr:06-{{{month}}}<0

|{{#expr:12-(15<{{{day}}})+06-{{{month}}}}}
|{{#ifexpr:{{{day}}}<=15
 |{{#expr:06-{{{month}}}}}
 |{{#ifexpr:06-{{{month}}}-1<0
  |{{#ifexpr:06={{{month}}}
   |11
   |0
  }}
  |{{#expr:06-{{{month}}}-1}}
 }}
}}

}}