How do you say last in Spanish?

There are several ways to say "last" in Spanish, and it depends on the way you use it in English.

Last as in "Last in line", then it would be úlitmo/última (último en fila)

Last as in "Last Friday", then it would be 'que pasó" (El viernes que pasó)

Last as in "It will last one hour", then you would use a conjugation of "tardar".