The term "8:15" typically refers to a specific time of day, indicating 15 minutes past 8 o'clock. This can occur in the morning (8:15 AM) or in the evening (8:15 PM). Time is measured in hours and minutes, with a 12-hour clock system commonly used in many countries. In various contexts, "8:15" can also represent a scheduled event, such as a meeting or a class. For example, a school might start its first period at 8:15 AM, or a movie might be scheduled to begin at 8:15 PM.