A solar electronic calendar comprises an outer frame, wherein a rechargeable lithium battery and an integrated circuit board are arranged in the outer frame, the upper part of the rechargeable lithium battery is connected with a solar panel, the integrated circuit board is connected with the solar panel and a liquid crystal display screen by wires, sunlight is collected and converted to power by the solar panel, the power is stored in the built-in rechargeable lithium battery through the integrated circuit board, and the power is provided to the liquid crystal display screen to display dates. Solar illumination can be collected and converted to the power to be utilized by the solar electronic calendar. The solar electronic calendar has the characteristics of attractive and practical design, great safety, energy saving and environment-friendliness.