Certain smaller shops have shorter opening times and open from Monday - Saturday, from 10 am to 2 pm and from 5 pm to 8:30 pm, closing for lunch. Although most shops in the city centre don't take a break for lunch and are open all day from 10 am to 9 pm or 10 pm.
Shopping centres and department stores generally have a longer hours still, and are open every day from 10 am – 10 pm.
The museums in Madrid usually open from Tuesday to Sunday, from 10 am – 7 pm or 8 pm. Although most museums remain closed on Mondays, there are always exceptions and some open every day of the week. Some close on Sundays or Tuesdays.