Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 98 · 40 sums

The method (Add 12 after noon): a.m. → keep the hour, written with 2 digits: 07:15. p.m. → add 12 to the hour: 3:35 p.m. = 15:35. 24-hour back to 12-hour: hour more than 12 → take away 12 and say p.m. Time taken: count whole hours, then minutes. 1 hour = 60 minutes.

1. 1.Write 9:20 a.m. in 24-hour time. (a) 11:20 (b) 09:20 (c) 21:20
2. 2.Write 8:25 p.m. in 24-hour time. (a) 20:25 (b) 22:25 (c) 08:25
3. 3.A train leaves at 10:40 and reaches at 13:10. How long is the journey (in minutes)?
4. 4.A match starts at 13:55 and lasts 2 hours. At what time does it end? (a) 14:55 (b) 16:55 (c) 15:55
5. 5.What is 01:40 in 12-hour time? (a) 1:40 p.m. (b) 1:40 a.m. (c) 3:40 a.m.
6. 6.What is 08:20 in 12-hour time? (a) 10:20 a.m. (b) 8:20 p.m. (c) 8:20 a.m.
7. 7.A train leaves at 07:10 and reaches at 07:35. How long is the journey (in minutes)?
8. 8.What is 11:10 in 12-hour time? (a) 11:10 p.m. (b) 1:10 a.m. (c) 11:10 a.m.
9. 9.A train leaves at 16:55 and reaches at 17:45. How long is the journey (in minutes)?
10. 10.How many hours are there from 07:00 to 16:00?
11. 11.Write 9:15 p.m. in 24-hour time. (a) 23:15 (b) 09:15 (c) 21:15
12. 12.A film is 1 hour 50 minutes long. How many minutes is that?
13. 13.A train leaves at 16:15 and reaches at 17:30. How long is the journey (in minutes)?
14. 14.A match starts at 09:00 and lasts 2 hours 50 minutes. At what time does it end? (a) 12:50 (b) 10:50 (c) 11:50
15. 15.What is 14:20 in 12-hour time? (a) 4:20 p.m. (b) 2:20 a.m. (c) 2:20 p.m.
16. 16.A train leaves at 10:05 and reaches at 10:30. How long is the journey (in minutes)?
17. 17.Write 4:30 a.m. in 24-hour time. (a) 06:30 (b) 04:30 (c) 16:30
18. 18.A train leaves at 13:10 and reaches at 13:40. How long is the journey (in minutes)?
19. 19.What is 17:40 in 12-hour time? (a) 5:40 a.m. (b) 5:40 p.m. (c) 7:40 p.m.
20. 20.Write 9:00 p.m. in 24-hour time. (a) 09:00 (b) 21:00 (c) 23:00
21. 21.A film is 1 hour 30 minutes long. How many minutes is that?
22. 22.What is 05:35 in 12-hour time? (a) 5:35 p.m. (b) 5:35 a.m. (c) 7:35 a.m.
23. 23.A train leaves at 15:05 and reaches at 17:30. How long is the journey (in minutes)?
24. 24.A train leaves at 14:15 and reaches at 17:20. How long is the journey (in minutes)?
25. 25.Write 8:55 a.m. in 24-hour time. (a) 08:55 (b) 20:55 (c) 10:55
26. 26.A match starts at 09:00 and lasts 4 hours 45 minutes. At what time does it end? (a) 12:45 (b) 13:45 (c) 14:45
27. 27.A train leaves at 12:10 and reaches at 15:15. How long is the journey (in minutes)?
28. 28.A match starts at 08:45 and lasts 4 hours. At what time does it end? (a) 12:45 (b) 11:45 (c) 13:45
29. 29.Write 1:05 p.m. in 24-hour time. (a) 13:05 (b) 01:05 (c) 15:05
30. 30.Write 6:50 p.m. in 24-hour time. (a) 18:50 (b) 06:50 (c) 20:50
31. 31.A match starts at 13:05 and lasts 3 hours 15 minutes. At what time does it end? (a) 16:20 (b) 17:20 (c) 15:20
32. 32.A train leaves at 11:30 and reaches at 12:05. How long is the journey (in minutes)?
33. 33.A train leaves at 09:15 and reaches at 11:55. How long is the journey (in minutes)?
34. 34.A film is 1 hour 20 minutes long. How many minutes is that?
35. 35.A film is 2 hours 20 minutes long. How many minutes is that?
36. 36.What is 14:40 in 12-hour time? (a) 2:40 a.m. (b) 2:40 p.m. (c) 4:40 p.m.
37. 37.A train leaves at 12:40 and reaches at 14:40. How long is the journey (in minutes)?
38. 38.A train leaves at 11:55 and reaches at 14:45. How long is the journey (in minutes)?
39. 39.A film is 1 hour 15 minutes long. How many minutes is that?
40. 40.Write 5:05 p.m. in 24-hour time. (a) 17:05 (b) 05:05 (c) 19:05

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