12-Hour & 24-Hour Clocks

Maths: Year 3 & 4 National Curriculum, topic 2.5.5

12-Hour and 24-Hour Clocks

You will be expected to know the difference between the 12-hour (analogue) and 24-hour (digital) clock.

12-hour clock

12-hour clock

  • The 12-hour clock divides the 24 hours in a day into two sections (am and pm).
  • 6.30am is in the morning.
  • 6.30pm is in the evening.
  • Analogue clocks have moving hands and the numbers 1-12. This means they are in the 12-hour clock.
24-hour clock

24-hour clock

  • The 24-hour clock runs from midnight to midnight and is divided into 24 hours.
  • 6.30am is 06.30 in the 24-hour clock.
  • 6.30pm is 18.30 in the 24-hour clock.
  • Digital clocks show the time in numbers. They are often in the 24-hour clock.

Test yourself on 12-Hour & 24-Hour Clocks

  • Which times are in the 12-hour clock?

  • Which times are in the 24-hour clock?

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