Users can enter their desired countdown time in the time input field, specifying hours, minutes, and seconds.
Users can initiate the countdown timer by clicking the "Start" button. The timer will commence counting down from the specified time.
If users need to temporarily halt the countdown, they can click the "Pause" button to pause the timer.
Users have the option to reset the countdown timer and begin again by clicking the "Restart" button. This action will revert the timer to the initial countdown time.
Throughout the countdown duration, users can monitor the remaining time displayed in hours, minutes, and seconds format.
Upon reaching zero, a notification will inform users that the countdown has concluded. Users can then take appropriate actions based on the completion of the countdown.