24 Hour Clock Conversion Worksheets - Free Printable

To solve the problems in the image, we need to convert times between the 12-hour clock and the 24-hour clock. Let's go through each problem step by step.

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Part 1: Converting from 12-Hour Clock to 24-Hour Clock

#### Question 1: 12:34 pm
- In the 12-hour clock, "pm" means it is after noon.
- To convert to the 24-hour clock, add 12 hours to the time if it is in the pm period (except for 12:00 pm, which remains 12:00).
- Here, 12:34 pm becomes 12:34 in the 24-hour clock.

Answer: 12:34

#### Question 2: 2:56 am
- In the 12-hour clock, "am" means it is before noon.
- Times in the "am" period remain the same in the 24-hour clock (except for 12:00 am, which becomes 00:00).
- Here, 2:56 am becomes 02:56 in the 24-hour clock.

Answer: 02:56

#### Question 3: 9:25 pm
- In the 12-hour clock, "pm" means it is after noon.
- To convert to the 24-hour clock, add 12 hours to the time.
- Here, 9:25 pm becomes 21:25 in the 24-hour clock.

Answer: 21:25

#### Question 4: 11:27 pm
- In the 12-hour clock, "pm" means it is after noon.
- To convert to the 24-hour clock, add 12 hours to the time.
- Here, 11:27 pm becomes 23:27 in the 24-hour clock.

Answer: 23:27

#### Question 5: 3:13 pm
- In the 12-hour clock, "pm" means it is after noon.
- To convert to the 24-hour clock, add 12 hours to the time.
- Here, 3:13 pm becomes 15:13 in the 24-hour clock.

Answer: 15:13

#### Question 6: 8:39 am
- In the 12-hour clock, "am" means it is before noon.
- Times in the "am" period remain the same in the 24-hour clock.
- Here, 8:39 am becomes 08:39 in the 24-hour clock.

Answer: 08:39

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Part 2: Converting from 24-Hour Clock to 12-Hour Clock

#### Question 7: 13:45
- In the 24-hour clock, times from 13:00 to 23:59 are in the pm period.
- To convert to the 12-hour clock, subtract 12 from the hour part and append "pm".
- Here, 13:45 becomes 1:45 pm in the 12-hour clock.

Answer: 1:45 pm

#### Question 8: 17:55
- In the 24-hour clock, times from 13:00 to 23:59 are in the pm period.
- To convert to the 12-hour clock, subtract 12 from the hour part and append "pm".
- Here, 17:55 becomes 5:55 pm in the 12-hour clock.

Answer: 5:55 pm

#### Question 9: 06:32
- In the 24-hour clock, times from 00:00 to 11:59 are in the am period.
- To convert to the 12-hour clock, the hour part remains the same, and we append "am".
- Here, 06:32 becomes 6:32 am in the 12-hour clock.

Answer: 6:32 am

#### Question 10: 22:56
- In the 24-hour clock, times from 13:00 to 23:59 are in the pm period.
- To convert to the 12-hour clock, subtract 12 from the hour part and append "pm".
- Here, 22:56 becomes 10:56 pm in the 12-hour clock.

Answer: 10:56 pm

#### Question 11: 20:15
- In the 24-hour clock, times from 13:00 to 23:59 are in the pm period.
- To convert to the 12-hour clock, subtract 12 from the hour part and append "pm".
- Here, 20:15 becomes 8:15 pm in the 12-hour clock.

Answer: 8:15 pm

#### Question 12: 04:25
- In the 24-hour clock, times from 00:00 to 11:59 are in the am period.
- To convert to the 12-hour clock, the hour part remains the same, and we append "am".
- Here, 04:25 becomes 4:25 am in the 12-hour clock.

Answer: 4:25 am

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Part 3: Reading Analog Clocks

#### Clock 1:
- The hour hand is between 10 and 11.
- The minute hand is on 8, which represents 40 minutes past the hour.
- Therefore, the time is 10:40.

#### Clock 2:
- The hour hand is between 3 and 4.
- The minute hand is on 10, which represents 50 minutes past the hour.
- Therefore, the time is 3:50.

#### Clock 3:
- The hour hand is between 7 and 8.
- The minute hand is on 6, which represents 30 minutes past the hour.
- Therefore, the time is 7:30.

#### Clock 4:
- The hour hand is between 9 and 10.
- The minute hand is on 12, which represents 0 minutes past the hour.
- Therefore, the time is 9:00.

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Final Answers:

1. 12:34
2. 02:56
3. 21:25
4. 23:27
5. 15:13
6. 08:39
7. 1:45 pm
8. 5:55 pm
9. 6:32 am
10. 10:56 pm
11. 8:15 pm
12. 4:25 am
13. 10:40
14. 3:50
15. 7:30
16. 9:00

Boxed Final Answer:
\[
\boxed{12:34, 02:56, 21:25, 23:27, 15:13, 08:39, 1:45 \text{ pm}, 5:55 \text{ pm}, 6:32 \text{ am}, 10:56 \text{ pm}, 8:15 \text{ pm}, 4:25 \text{ am}, 10:40, 3:50, 7:30, 9:00}
\]