'Esté a tiempo!' is how you would say "Be on time", though you are more likely to hear "No seas tarde" (Don't be late).
This time is "esta vez" in Spanish.
How do you say it in spanish?
To ask what time it is in Spanish on would say, Qué hora es. Though the answer received will probably be in Spanish.
Employ your time in Spanish is: Use su tiempo.
Tiempo.
teimpo
You would say "Del tiempo".
tiempo
tiempo
De vez en cuando.
tiempo dificil
De Big Time Rush