IN/ ON/ AT (3º)

IN + MESES DEL AÑO

Ex. In May, in April, in July

ON + días de la semana

Ex. on Monday, on Tuesday, etc.

ON + fecha

Ex. It's on 18th of May.

ON + nombre de una calle.

Ex. On Apple Street.

IN + un lugar

I live in Desamparados.

AT + tiempo.

Ex. I go to school at nine o'clock.