In commerce and industry, a 24/7 service is a service that is available regardless of time or day, as might be offered by a supermarket, convenience store, ATM, automated online assistant, filling station, restaurant, concierge services or a manned computer data facility. Call centers may have representatives available 24/7; in some cases employees based in one continent and time zone provide services to customers in another during its night hours. A 24/7/365 service is available year-round.