ARIA Date Picker (Basic, ReadOnly Auto Open plus Disabled Ranges)

Set Date:

The calendar is keyboard accessible:

Set focus to the input field to automatically open the calendar, focus will remain on the input field.
When the input has focus, press the Down arrow to set focus on the current date within the calendar.
Press the Left and Right arrow keys to navigate the row by week day.
Press the Home and End keys to jump to the beginning or end of the current row.
Press the Up and Down arrow keys to navigate between weeks on the same week day.
Press the PageDown and PageUp keys to navigate backwards or forwards by month.
Press Alt+PageDown and Alt+PageUp to navigate backwards or forwards by year.
Press the Enter key to activate the selected date.
Press Escape to close the calendar without making a selection.
Mouse users can click the desired date buttons as usual.