1 of 11

2 of 11

am/pm time and 24-hour time

am times are in the morning and from midnight up to midday.

pm times are in the afternoon and evening from midday up to midnight.

Midday is 12pm. Midnight is 12am.

24-hour clock times begin at midnight. The hours are numbered 0 to 23.

24-hour times always have 4 numbers.

E.g. 8am is written as 0800. 7pm is written at 1900.

10 to 7 in the morning is 6.50am or 0650

25 to 3 in the afternoon is 2.35pm or 1435

3 of 11

4 of 11

Write these as 24-hour times:

8.20am

9.35am

11.40am

1.45pm

3.45pm

0820

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4.55pm

7.08pm

7.25am

10.02pm

midnight

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midday

12.35am

12.55pm

5.17pm

12.07am

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The first one has been done for you

5 of 11

Write these as am/pm times and 24-hour times:

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am/pm times

24-hour times

20 to 5 in the morning

4.40am

0440

Half past seven at night

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Quarter to ten in the morning

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Three minutes past two in the afternoon

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Five minutes after midnight

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Four minutes after midday

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Five minutes to midnight

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Five minutes to midday

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6 of 11

Time problem:

Answer:

7 of 11

Time problem:

a)

b)

c)

d)

e)

f)

g)

h)

i)

j)

k)

l)

m)

n)

o)

p)

8 of 11

Time problem:

Odyn’s favourite TV programme started at 8.35pm. Which of these times was on his 24-hour Sky Box?

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A - 8.35

B - 0835

C - 1835

D - 2035

E - 2135

At 2340 Jermaine rang TJ. Which of these is the time, in 12-hour time, that he rang?

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A - 2.34pm

B - 20 to 11 at night

C - 20 to midnight

D - 4 past 11 at night

9 of 11

Time problem:

Aniqua decided to bake a cake. She puts the cake into the oven at 10.37am. The recipe says it is to bake for 45 minutes. At what time should it be taken out of the oven?

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Aaron watched a movie on TV. It started at 2135 and ended at 0008. How long was the movie?

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10 of 11

Time problem:

This table gives the times that Jabal worked at his holiday job last week.

Day

Start

Finish

Monday

0700

1500

Tuesday

0730

1430

Wednesday

1400

2030

Thursday

0530

1300

Friday

1000

1830

  1. On which day did he work the most hours?
  2. How many hours did he work on this day?
  3. Jabal likes to work at least 7 ½ hours each day. On which two days did Jabal work less than this?
  4. How many hours did Jabal work last week altogether?

11 of 11

Time problem:

Antonio started watching a thriller movie at 7.35pm. It ran for 1 hour and 55 minutes.

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  1. Write in 24-hour time when the movie began and ended.

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  • Antonio went to sleep and missed the end. He woke up 4 hours after the movie began. What time was this in 24-hour time?

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  • How long after the end of the movie did Antonio wake up?

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