Nantucket Bank's hours of operation can vary based on the specific branch location. Generally, most branches of Nantucket Bank are open on weekdays from around nine in the morning to five in the evening. Some branches may offer extended hours, especially on certain days, and a few locations may even have Saturday hours, while they typically remain closed on Sundays. It is advisable for customers to check the current web page of Nantucket Bank to confirm the specific hours for their local branch, as these details are subject to change. By visiting the official website, customers can find the most accurate and up-to-date information regarding branch hours and any special holiday hours that may apply.