Bank of Hawaii's hours of operation can vary depending on the specific branch or service location. Typically, most branches are open Monday through Friday with hours commonly ranging from 9:00 AM to 5:00 PM, though some locations may offer extended hours. Many branches may also be open on Saturdays, but usually with reduced hours. It is important to note that there may be variations in hours for specific holidays or special events. Additionally, Bank of Hawaii provides online banking services that are available 24 hours a day. To find the exact hours for a particular branch or service, it is advisable to check the Bank of Hawaii's official website, where you can also find additional contact information if needed.