Steps to reproduce

<calendar/>

1. change to the previous or next month with a keyboard

Current result

no keyboard to change the currently-displayed month
end-users need to move to the first day of the current month, press the left arrow

Expected result

for example, press Page Down to the next month, Page Up to the previous month

Detail

• ARIA Authoring Practices Guide (APG) > DatePick Combobox Pattern