It means that Friday is somebody's birthday.
el viernes
it means you will have a test or a quiz on Friday
its quieres salir el viernes en la noche it means i want to leave Friday at night
the day after Friday
"it's friday".
El viernes se me hace bien / me parece bien el viernes.
I am so eager for Friday
to play video games with me Friday
Party takes until Friday
It is correctly spelled, "Voy a llegar el viernes." It means, "I am going to arrive Friday."
¿Qué hará / harán / harás / haréis el viernes que viene / el próximo viernes?
"Te amo" is "I love you". "Viernes" is "Friday". It could possibley by confused with "Te llamo el viernes"? That could be translated as "Call you on Friday?" Or simply it means "I love Friday"