UTC-7 is a time zone that is seven hours behind Coordinated Universal Time (UTC). It is commonly used in parts of North America, including states like Arizona and Nevada, as well as in some regions of Canada and Mexico. This time zone is often referred to as Mountain Standard Time (MST) when observing standard time and Mountain Daylight Time (MDT) during daylight saving time. Daylight saving time typically begins in March and ends in November, causing clocks to move forward by one hour. During this period, areas observing UTC-7 will be on UTC-6. Understanding UTC-7 is essential for scheduling events and coordinating activities across different regions.