āˆ‘Doodle MathšŸŖ™ 0

Digital clocks

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Time

Digital clocks

A digital clock shows the time with numbers as hours : minutes. It shows the same time as an analogue clock, just in a different way.

analogue=03:15quarter past 3digital

Reading a digital time

The numbers before the colon are the hours. The numbers after the colon are the minutes. Example: 03:15 means 3 hours and 15 minutes — quarter past 3.

Words to digital

• 'Seven minutes past five' → 05:07. • 'Quarter past' means 15 minutes past. • 'Half past' means 30 minutes past.

Minutes 'to' the next hour

'Minutes to' an hour count backwards. Twenty-four minutes to three is 60 āˆ’ 24 = 36 minutes past two, which is 02:36.

Worked examples

Quarter past in digital

  1. Quarter past 3 means 15 minutes past 3.
  2. Write the hour, a colon, then the minutes.

Answer: Quarter past 3 = 03:15

Minutes past in digital

  1. Seven minutes past five: the hour is 5 and the minutes are 07.
  2. Write it as hours : minutes.

Answer: Seven minutes past five = 05:07

Minutes to in digital

  1. Twenty-four minutes to three is before 3 o'clock.
  2. 60 āˆ’ 24 = 36 minutes past 2.

Answer: Twenty-four minutes to three = 02:36

Where you see this in real life

  • Reading the time on a microwave or oven.
  • Checking the time on a phone or tablet.
  • Setting a digital alarm clock for the morning.

Key words

Digital clock
A clock that shows the time using numbers.
Hours
The numbers before the colon on a digital clock.
Minutes
The numbers after the colon on a digital clock.
Colon
The two dots ( : ) that separate the hours from the minutes.