电子日历以单片机为核心，由单片机的定时器/计数器产生实时钟源信号，实现电子日历、闹钟设置和时间修改的功能。以LCD为显示设备，可以直观的显示出日期、时间等信息，并可方便地进行闹钟的设置，日期、时间的设置等操作.-Electronic calendar using single chip as the core, by the single-chip timer/counter generates real time clock source, electronic calendar, alarm clock setting and time modifying function. Taking LCD as the display device, can display the date, time and other information and intuitive, and convenient to the alarm clock settings, set the date, time and other operations,