Moondial, also known as a lunar clock, is a device used to measure the time based on the moon's position in the sky. There are several synonyms for the term, such as a moonclock, moonphase clock, lunar timepiece, and moon phase dial. These terms are all used interchangeably and refer to a device that helps people keep track of the moon's cycle and the corresponding time. Moondial or lunar clock is a traditional timepiece that has been used for ages and has now become a collector's item. Regardless of what it's called, a moondial is a fascinating and unique device that not only tells the time but also connects us to the natural world around us.