A reader escreveu: Examples:
Peter has an everyday appointment with his boss for briefings.
Susan has an everyday yoga class at five pm.
Everyday most often means ordinary, not daily.
http://dictionary.reference.com/browse/everyday
We would not say an everyday appointment, nor an everyday yoga class.
I would say I have a class M-F (Mondays through Fridays).
I would say I have a class that meets every day.
I would say I have a class that meets daily.
Everyday occurs is some standard phrases like an everyday occurrence, (a common occurance) or everyday clothes as opposed to Sunday best (formal clothes).

