テンプレート:User current age/months

{{#ifexpr:02-{{{month}}}<0

|{{#expr:12-(6<{{{day}}})+02-{{{month}}}}}
|{{#ifexpr:{{{day}}}<=6
 |{{#expr:02-{{{month}}}}}
 |{{#ifexpr:02-{{{month}}}-1<0
  |{{#ifexpr:02={{{month}}}
   |11
   |0
  }}
  |{{#expr:02-{{{month}}}-1}}
 }}
}}

}}