Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 514 · 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 5:35 a.m. in 24-hour time. (a) 07:35 (b) 17:35 (c) 05:35
2. 2.How many hours are there from 11:00 to 17:00?
3. 3.Write 9:10 a.m. in 24-hour time. (a) 21:10 (b) 09:10 (c) 11:10
4. 4.Write 6:30 p.m. in 24-hour time. (a) 18:30 (b) 20:30 (c) 06:30
5. 5.What is 13:55 in 12-hour time? (a) 1:55 p.m. (b) 1:55 a.m. (c) 3:55 p.m.
6. 6.Write 3:25 p.m. in 24-hour time. (a) 17:25 (b) 15:25 (c) 03:25
7. 7.A match starts at 08:55 and lasts 2 hours 5 minutes. At what time does it end? (a) 10:00 (b) 12:00 (c) 11:00
8. 8.A train leaves at 17:00 and reaches at 19:50. How long is the journey (in minutes)?
9. 9.Write 10:40 p.m. in 24-hour time. (a) 10:40 (b) 00:40 (c) 22:40
10. 10.A match starts at 07:55 and lasts 1 hour. At what time does it end? (a) 09:55 (b) 07:55 (c) 08:55
11. 11.A train leaves at 08:05 and reaches at 09:30. How long is the journey (in minutes)?
12. 12.Write 2:05 a.m. in 24-hour time. (a) 04:05 (b) 02:05 (c) 14:05
13. 13.What is 13:50 in 12-hour time? (a) 1:50 a.m. (b) 3:50 p.m. (c) 1:50 p.m.
14. 14.Write 3:35 p.m. in 24-hour time. (a) 17:35 (b) 03:35 (c) 15:35
15. 15.What is 23:35 in 12-hour time? (a) 1:35 p.m. (b) 11:35 a.m. (c) 11:35 p.m.
16. 16.What is 16:00 in 12-hour time? (a) 4:00 a.m. (b) 4:00 p.m. (c) 6:00 p.m.
17. 17.A film is 1 hour 40 minutes long. How many minutes is that?
18. 18.A match starts at 09:55 and lasts 4 hours 50 minutes. At what time does it end? (a) 15:45 (b) 14:45 (c) 13:45
19. 19.A train leaves at 12:55 and reaches at 13:20. How long is the journey (in minutes)?
20. 20.A train leaves at 11:55 and reaches at 14:45. How long is the journey (in minutes)?
21. 21.A match starts at 16:40 and lasts 3 hours. At what time does it end? (a) 19:40 (b) 18:40 (c) 20:40
22. 22.What is 07:15 in 12-hour time? (a) 7:15 p.m. (b) 7:15 a.m. (c) 9:15 a.m.
23. 23.Write 9:55 p.m. in 24-hour time. (a) 21:55 (b) 23:55 (c) 09:55
24. 24.Write 4:15 a.m. in 24-hour time. (a) 06:15 (b) 04:15 (c) 16:15
25. 25.A match starts at 14:00 and lasts 2 hours 5 minutes. At what time does it end? (a) 17:05 (b) 16:05 (c) 15:05
26. 26.Write 2:50 a.m. in 24-hour time. (a) 04:50 (b) 02:50 (c) 14:50
27. 27.What is 20:45 in 12-hour time? (a) 8:45 p.m. (b) 8:45 a.m. (c) 10:45 p.m.
28. 28.A match starts at 15:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 18:30 (b) 16:30 (c) 17:30
29. 29.A match starts at 10:10 and lasts 3 hours 35 minutes. At what time does it end? (a) 14:45 (b) 12:45 (c) 13:45
30. 30.What is 02:10 in 12-hour time? (a) 2:10 a.m. (b) 2:10 p.m. (c) 4:10 a.m.
31. 31.How many hours are there from 08:00 to 22:00?
32. 32.A film is 4 hours 45 minutes long. How many minutes is that?
33. 33.A match starts at 15:00 and lasts 4 hours 55 minutes. At what time does it end? (a) 18:55 (b) 19:55 (c) 20:55
34. 34.A train leaves at 07:15 and reaches at 08:15. How long is the journey (in minutes)?
35. 35.A film is 2 hours 40 minutes long. How many minutes is that?
36. 36.What is 20:00 in 12-hour time? (a) 8:00 a.m. (b) 10:00 p.m. (c) 8:00 p.m.
37. 37.Write 9:05 a.m. in 24-hour time. (a) 09:05 (b) 21:05 (c) 11:05
38. 38.A match starts at 09:45 and lasts 2 hours 45 minutes. At what time does it end? (a) 11:30 (b) 12:30 (c) 13:30
39. 39.A match starts at 07:30 and lasts 1 hour 30 minutes. At what time does it end? (a) 09:00 (b) 10:00 (c) 08:00
40. 40.Write 9:45 p.m. in 24-hour time. (a) 21:45 (b) 09:45 (c) 23:45

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