To set the router’s clock to match your Macintosh clock, click this button. #20004 To save any changes you made to the router’s clock, click this button. Changes to the clock will take effect immediately. To set the time, click the hours, minutes, or seconds, then type, or click the arrows that appear, to insert the number you want. To set the date, click the month, day, or year, then type, or click the arrows that appear, to insert the number you want.