The official currency is the East Caribbean Dollar (XCD), which is divided into 100 cents. It is tied to the US dollar at a rate of US$1=EC$2.70. Most businesses accept US Dollar notes as payment, but change is given in EC$. Major credit cards are widely accepted, and major currencies can be exchanged at banks, with US Dollars the cheapest to exchange. Most banks are closed on weekends, but provide 24-hour ATM services.