De
lunes
a
viernes,
de
seis
a
diez.
Los
sábados
de
ocho
a
dos.
deh LOO-nehs ah vee-EHR-nehs deh says ah dee-EHS lohs SAH-bah-dohs deh OH-choh ah dohs
Monday to Friday, six to ten. Saturdays eight to two.
'De lunes a viernes' = Monday to Friday — very common pattern.