As part of holiday configuration, you can include an optional holiday greeting that plays outside business hours on the day of the holiday.
Click 'Settings' on the top right corner of the website. Inside the red bar.
Select the "Main Number" tab.
Choose the Office Holidays section and type in the name of your scheduled holiday. Click to the add button.
Edit your Incoming Call Handling settings to define how your calls will be routed during the Office Holidays you have identified.