# Using the 24-hour Clock: What's the Time?

In this worksheet, students add or subtract minutes to or from the given times, stating their answers in 24-hour clock time.

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Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Time and Timetables

Difficulty level:

#### Worksheet Overview

Remember that 24 hour clock time uses 4 numbers separating the hours from the minutes with a : sign.

7.35 a.m. is 07:35

7.35 p.m. is 19:35

Example

What 24 hour time is 46 minutes after 7.35 p.m.?

We start at 7.00 p.m. and then add the two minutes numbers.

35 + 46 = 81 minutes.

81 minutes is 1 hour and 21 minutes.

1 hour and 21 minutes after 7.00 p.m. is 8.21 p.m.

8.21 p.m. is 20:21 in 24 hour clock time.

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