Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 962 · 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.A film is 3 hours 20 minutes long. How many minutes is that?
2. 2.A film is 2 hours 50 minutes long. How many minutes is that?
3. 3.A film is 3 hours 35 minutes long. How many minutes is that?
4. 4.Write 4:35 p.m. in 24-hour time. (a) 04:35 (b) 18:35 (c) 16:35
5. 5.What is 17:35 in 12-hour time? (a) 7:35 p.m. (b) 5:35 a.m. (c) 5:35 p.m.
6. 6.Write 6:45 a.m. in 24-hour time. (a) 06:45 (b) 08:45 (c) 18:45
7. 7.What is 01:15 in 12-hour time? (a) 3:15 a.m. (b) 1:15 p.m. (c) 1:15 a.m.
8. 8.Write 1:10 p.m. in 24-hour time. (a) 01:10 (b) 15:10 (c) 13:10
9. 9.A match starts at 17:45 and lasts 3 hours 50 minutes. At what time does it end? (a) 20:35 (b) 21:35 (c) 22:35
10. 10.A match starts at 12:15 and lasts 2 hours 20 minutes. At what time does it end? (a) 15:35 (b) 13:35 (c) 14:35
11. 11.Write 5:10 a.m. in 24-hour time. (a) 05:10 (b) 07:10 (c) 17:10
12. 12.A train leaves at 18:45 and reaches at 21:05. How long is the journey (in minutes)?
13. 13.A train leaves at 14:15 and reaches at 17:00. How long is the journey (in minutes)?
14. 14.A match starts at 14:15 and lasts 4 hours 25 minutes. At what time does it end? (a) 18:40 (b) 17:40 (c) 19:40
15. 15.A film is 2 hours 55 minutes long. How many minutes is that?
16. 16.Write 2:35 p.m. in 24-hour time. (a) 14:35 (b) 02:35 (c) 16:35
17. 17.A film is 2 hours 30 minutes long. How many minutes is that?
18. 18.What is 20:30 in 12-hour time? (a) 8:30 p.m. (b) 10:30 p.m. (c) 8:30 a.m.
19. 19.A film is 1 hour 10 minutes long. How many minutes is that?
20. 20.A train leaves at 18:45 and reaches at 21:40. How long is the journey (in minutes)?
21. 21.A film is 2 hours 20 minutes long. How many minutes is that?
22. 22.What is 20:15 in 12-hour time? (a) 10:15 p.m. (b) 8:15 p.m. (c) 8:15 a.m.
23. 23.What is 18:10 in 12-hour time? (a) 6:10 a.m. (b) 8:10 p.m. (c) 6:10 p.m.
24. 24.A train leaves at 11:45 and reaches at 14:25. How long is the journey (in minutes)?
25. 25.Write 1:20 a.m. in 24-hour time. (a) 13:20 (b) 01:20 (c) 03:20
26. 26.A train leaves at 08:10 and reaches at 09:45. How long is the journey (in minutes)?
27. 27.A train leaves at 13:45 and reaches at 14:50. How long is the journey (in minutes)?
28. 28.What is 20:10 in 12-hour time? (a) 10:10 p.m. (b) 8:10 p.m. (c) 8:10 a.m.
29. 29.A match starts at 14:55 and lasts 2 hours 15 minutes. At what time does it end? (a) 17:10 (b) 16:10 (c) 18:10
30. 30.What is 03:20 in 12-hour time? (a) 3:20 p.m. (b) 3:20 a.m. (c) 5:20 a.m.
31. 31.A film is 2 hours 25 minutes long. How many minutes is that?
32. 32.A match starts at 06:15 and lasts 1 hour 5 minutes. At what time does it end? (a) 06:20 (b) 07:20 (c) 08:20
33. 33.What is 22:45 in 12-hour time? (a) 12:45 p.m. (b) 10:45 a.m. (c) 10:45 p.m.
34. 34.A train leaves at 08:10 and reaches at 08:50. How long is the journey (in minutes)?
35. 35.What is 09:25 in 12-hour time? (a) 11:25 a.m. (b) 9:25 p.m. (c) 9:25 a.m.
36. 36.A film is 2 hours 15 minutes long. How many minutes is that?
37. 37.A train leaves at 11:40 and reaches at 12:45. How long is the journey (in minutes)?
38. 38.What is 04:20 in 12-hour time? (a) 4:20 p.m. (b) 6:20 a.m. (c) 4:20 a.m.
39. 39.A film is 4 hours 50 minutes long. How many minutes is that?
40. 40.Write 9:55 p.m. in 24-hour time. (a) 23:55 (b) 09:55 (c) 21:55

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