Hello how may I help you? I want to change my ten thirty alarm to eleven thirty. ok the time is changed Okay can you also set the alarm to vibrate mode? yes but do you still want to have a sound with vibrate? No sound please just vibrate ok setting to vibrate Thank you. Can you make sure that was set for 11:30am it is set for 11:30 am with vibrate thanks. Have a good day! bye now