While the datepicker is open, the following key commands are available:

• CTRL/COMMAND + LEFT: Move to the previous day.
• CTRL/COMMAND + RIGHT: Move to the next day.
• CTRL/COMMAND + UP: Move to the previous week.
• CTRL/COMMAND + DOWN: Move to the next week.
• PAGE UP: Move to the previous month.
• PAGE DOWN: Move to the next month.
• CTRL/COMMAND + HOME: Move to the current month.
• ENTER: Select the focused date.
• ESCAPE: Close the datepicker without selection.