#3092: Baker's Units

Baker's units

[A formation comprising 13 small circular items] - Baker's dozen

[A ruler divided into 13 parts] - Baker's foot

1:00 PM - Baker's noon

[A polyhedron with 13 faces] - Baker's dodecahedron

January 31st - Baker's New Year's Eve

[Two notes on a staff 14 half-steps apart] - Baker's octave

[13 people standing in a row] - Baker's jury

[A flag with 13 stars forming a circle] - Baker's EU flag

Aluminum - Baker's magnesium