Set the alarm clock for Saturday and Sunday.

You can use an electronic alarm clock or smart phone to set the alarm clock on Saturday and Sunday.

Traditional alarm clocks cannot select dates. After choosing a good time, the electronic alarm clock or the alarm clock that comes with the smart phone usually has the option of selecting the date, or multiple alarm clocks can be set at the same time.

An alarm clock refers to a clock that can sound at a predetermined time. Traditional alarm clocks use clockwork to control the duration of sound.