The first 12 hours of the day ... The 24 hour clock always uses 4 digits, and we use this system most often with digital clocks. For any time before 10 o'clock in the morning, a zero is placed ...

You see this most often on digital clocks. Complete this interactive activity to understand the 12 and 24-hour clock. Then put your knowledge to the test. There are lots of different types of clocks.