The boy was expelled from music school when he was 12.

Lunch is at 12:00 to coincide with the Technical Group.

You are supposed to be back by noon.

December is the last month of the year.

There are no fewer than a dozen bedrooms in this mansion.

My older brother started to take interest in Japanese folk songs when he was around 12 years old.

Sho was 12 years old, prone to illness and a bit dumb.

The twelve-hour journey had tired me out.

We have to book in before twelve o'clock.

Ten, eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen, twenty.

Twelve is an even number.

The twelve months of the year are January, February, March, April, May, June, July, August, September, October, November, and December.

Sami has been married twelve times.

Momoko counted the marbles: "One, two, three, four, five, six, seven, eight, nine, ten" and then went silent. When her mother continued with "eleven, twelve, thirteen," she happily picked up with "fourteen, fifteen, sixteen."

Nine hundred twenty-five billion, eight hundred fourteen million, seven hundred three thousand, six hundred ninety-two is a twelve-digit number.