You can use apps related to time. There are timers, stopwatches, alarm clocks, three-dimensional clocks.
Set the time on the timer.
Then press the start button to start the countdown.
If you don't check the repeat box, the sound will continue to play when the time is up.
Press the OK button to stop the sound.
If you tick the repeat checkbox, the sound will return to the original time when the time is up.
The sound will stop immediately.
If you close the browser completely, the sound will not be heard.
Sound is also heard when another tab or app is active.
Click the start button to count up.
When you click the Pause button, the count up is paused.
When you click the reset button, the count up will return to zero.
Click on the clock symbol to set the time of the appointment.
Then click on the switch to turn it on.
When the alarm sounds, turn the switch off.
4. 3D CLOCK
This app is a beautiful colorful digital 3D clock.
You can use your mouse to view it from different angles.
You can change it to full screen or shrink it.