twelve o’clock (U+1F55B)

The emoji 🕛, also known as "alarm clock," depicts a stylized analog clock with a white face and black hands indicating the time as 12:00. This emoji is often used to represent time, particularly when referring to a specific hour or as a reminder for an event or appointment. It can also symbolize the start or end of something, such as the beginning or end of a work shift. Additionally, it can be used to convey the idea of being punctual or keeping track of time.