The one o'clock emoji depicts a simple analog clock face.
Unicode: U+1F550
The one o'clock emoji represents the time of 1:00, with the hour and minute hands pointing to the corresponding positions on a classic clock face. It's often used to indicate a specific time or to refer to time-related concepts in general.
"Let's meet at 🕐 for lunch!"
"I have a meeting at 🕐, so I'll be a little late."
"Time for a quick break at 🕐!"