Translation of Nachtzeit

There are several different TV programs in the hotel room and depending on the country of origin they broadcast in different languages. I believe European TV programs are much longer and have less advertisement than those from North America.
I do translate to Spanish, but I always inform the client about my problem, in order not to have any dispute. The corrections I receive after proof reading are mostly a confusion between the different time forms in Spanish.
I really would like to invest more time here but until now I was too busy to keep my promises. Maybe I should take a vacation and go back to Scotland and take another language course there.