I always hear these 9 to 5 references about working time. As someone in Europe where lunch break doesn’t count as working time, this would amount to 7 work hou

I always hear these 9 to 5 references about working time. As someone in Europe where lunch break doesn’t count as working time, this would amount to 7 work hours. Here the norm is 8 hours. Does lunch break in the USA counts as working, or you typically work 7 hour days?