Attention hours depend on the type of service provided. But most of companies are open from 9:00 am until 6:00 pm. Shopping centers and stores are open from 10:00 am until 8:00 pm; however some companies now stay open 24 hours a day. Banks Banks are open Monday to Friday from 9:00 am to 6:00 pm with no lunch breaks. Some banks open Saturdays from 9:00 am to 1:00 pm.