Definition:Light Year/Symbol

Definition
There are a number of symbols which are in use for the light year:
 * $\mathrm {ly}$ (as approved by the )
 * $\mathrm {l.y.}$ (the  standard)

Language-specific versions can be seen in particular localities, for example:
 * $\mathrm {al}$ in French (from année-lumière), Spanish (from año luz) and Italian (from anno luce)
 * $\mathrm {Lj}$ in German (from Lichtjahr)