Make sure the user can interact with the Date & Time Picker using the keyboard. To give the input keyboard focus, use the tab key (or shift + tab when tabbing backwards)
To activate the calendar popover, use the enter/return or space keys when the calendar icon is in focus.
To activate the input, use the enter/return or space keys.
Use a wrapping <nav> element to identify the calendar popover as a navigation section to screen readers and other assistive technologies. Provide a descriptive aria-label (for example, “Pick a date” or “Pick a date range”) for the <nav> to reflect its purpose.
Be sure to add aria-label="Previous" and aria-label="Next" attributes to the previous/ next icons in the date picker.
Provide clear and informative error messaging to help users understand what they needs to do to rectify the problem.
