Meaning
A clock face with the minute hand at the 12 and the short hour hand pointing to the 1, a small, narrow angle that reads as one o’clock at a glance.
In the afternoon it is the sleepy hour right after lunch; in the early morning it is the time you should already be asleep: “It’s 🕐 and I’m still scrolling, send help.” It also works as a bullet for the first item in a timed schedule.