⏱️ represents stopwatch, typically shown as a stopwatch used to time runs, sprints, or short intervals.

🕰️ represents mantelpiece clock, typically shown as a classic clock with an old-fashioned design.

⏲️ represents timer clock, typically shown as a small timer clock with a dial and a top knob.

🕐 represents one o’clock, typically shown as an analog clock face with the hour hand at 1 and the minute hand at 12.

🕤 represents nine-thirty, typically shown as a clock face marking 9:30.