Christmas lights, also known as fairy lights, are strands of electric lights that are used to decorate homes and buildings during Christmas. They are a popular form of decoration in many countries, including the U.S., so that the houses become warmly lit up with the holiday spirit. Christmas lights come in a variety of shapes, colors, sizes, and styles. Some of the more traditional lights are white or colored bulbs, which can be used to outline windows, garlands, trees, and roofs. Other more modern styles include LED (Light-emitting diode) lights, which are more energy-efficient and long-lasting than ordinary bulbs. Christmas lights are traditionally set up during the month of December. They can be used to embellish an outdoor area, creating a cheerful environment that makes for a great place to relax and socialize. Christmas lights also often come with timers so that they can be turned on and off at certain times of the day, saving on energy. Of course, Christmas lights are not only attractive during the festive season. Many people use them year-round to add a soft glow outdoors, or to make extra lighting indoors when necessary. No matter how you use your Christmas lights, they are sure to bring a spark of extra holiday cheer to any home. With a little creativity, you can use them to create a memorable all-season experience.